CN208928990U - A kind of clamping structure of stamping equipment low punch - Google Patents
A kind of clamping structure of stamping equipment low punch Download PDFInfo
- Publication number
- CN208928990U CN208928990U CN201821773876.XU CN201821773876U CN208928990U CN 208928990 U CN208928990 U CN 208928990U CN 201821773876 U CN201821773876 U CN 201821773876U CN 208928990 U CN208928990 U CN 208928990U
- Authority
- CN
- China
- Prior art keywords
- collet
- plane
- positioning tube
- low punch
- clamping structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model provides a kind of clamping structure of stamping equipment low punch, belongs to stamping equipment technical field.It solves the problems, such as that existing low punch clamping stability is poor.The clamping structure of this stamping equipment low punch includes fixed cylinder, collet, positioning tube and locking nut, lateral wall at the top of collet is the first tapered inclined-plane, the lateral wall of chuck portion is the second tapered inclined-plane, the top of collet has the first fluting, the bottom of collet has the second fluting, positioning tube is threaded through in fixed cylinder and positioning tube and fixed cylinder are circumferentially positioned, there is tapered third inclined-plane on inner sidewall at the top of positioning tube, the bottom of collet is extend into the top of positioning tube and the second inclined-plane is resisted against on third inclined-plane, the top of collet is located in locking nut, collet is fixed in positioning tube and locking nut by being fixedly connected at the top of locking nut and positioning tube, locking nut is resisted against in fixed cylinder.The clamping structure of this stamping equipment low punch has the advantages that stability is good.
Description
Technical field
The utility model belongs to stamping equipment technical field, is related to a kind of clamping structure of stamping equipment low punch.
Background technique
In the process of manufacture of product, need to be fixed with formed punch on stamping equipment, some is also using stamping equipment is arrived
Including upper punch and low punch, punching press is carried out to product by the cooperation of upper punch and low punch, realizes the works such as punching, punching press trace
Sequence.
Fixed cylinder can be arranged on platen, have perforative fixation hole on the side wall of fixed cylinder, then for existing stamping equipment
The bottom of low punch is threaded through in fixed cylinder, then is threaded through in fixation hole by fastener, and make the inner end of fastener against
It is fixed on low punch in fixed cylinder on the lower punch, realizes the clamping of low punch.
But the installation way of this kind of low punch, the fixation of low punch is fixed by fastening bolt, and fastens spiral shell
The number of bolt is generally exactly 1-4, and the contact between fastening bolt and low punch is point contact, and contact area is small, and low punch is solid
Firmness even is low, and stability is poor.
Summary of the invention
The purpose of this utility model is to propose a kind of stamping equipment undershoot for the above-mentioned problems in the prior art
The technical issues of clamping structure of head, solution is the firmness for how improving low punch installation, improves stability.
The purpose of this utility model can be realized by the following technical scheme: a kind of clamping knot of stamping equipment low punch
Structure, including fixed cylinder, which is characterized in that clamping structure further includes collet, positioning tube and locking nut, outer at the top of the collet
Side wall is the first tapered inclined-plane, and the lateral wall of the chuck portion is the second tapered inclined-plane, the inside of the collet
Wall is cylindrical, and along the axial direction of collet, the top of the collet has the first fluting that several extend to chuck portion, described
The bottom of collet has several to the second fluting extended at the top of collet, and the positioning tube is threaded through in fixed cylinder and described fixed
Position cylinder and fixed cylinder are circumferentially positioned, have tapered third inclined-plane on the inner sidewall at the top of the positioning tube, the collet
Bottom is extend into the top of positioning tube and second inclined-plane is resisted against on third inclined-plane, and the top of the collet is located at locking
In nut, it is fixed on collet in positioning tube and locking nut by being fixedly connected at the top of the locking nut and positioning tube, institute
Locking nut is stated to be resisted against in fixed cylinder.
The bottom of low punch is threaded through in collet, by rotating locking nut, collet is made to be fixed on positioning tube and locking screw
In mother, so that low punch be made to be fixed in collet.The setting of first fluting and the second fluting allows collet to contract, folder
The inner sidewall of head is cylindrical, and the contact between collet and low punch is face contact, the contact area between collet and low punch
Greatly, this collet is allow preferably to clamp low punch, firmness when low punch is connected is high, and during connected, right
The position of low punch can be finely adjusted by collet, while improve the concentricity of low punch, improve the stability of low punch, be fitted
Should in the market, the different size of lower mold and punching head metric and English.The setting on the first inclined-plane, the second inclined-plane and third inclined-plane makes to position
Cylinder, collet and locking nut structure are compact, and connected is tighter, improve the stability after low punch is connected；Locking nut is resisted against
Fixed cylinder does not fall out collet and positioning tube, axially position.
In a kind of clamping structure of above-mentioned stamping equipment low punch, first fluting and the second fluting interval are staggered
Setting, the inner end of first fluting extend between two second adjacent flutings, and the inner end of second fluting extends to
Between two first adjacent flutings.This kind of structure, makes the more uniform of the position distribution slotted on collet, and collet shrinks equal
Even, clamping effect is good, improves the concentricity of low punch.
In a kind of clamping structure of above-mentioned stamping equipment low punch, there is recessed setting on the lateral wall of the collet
Dashpot in a ring, the dashpot is located at the junction on the first inclined-plane and the second inclined-plane.The setting of dashpot makes collet
Will not be blocked up in the wall thickness of the first inclined-plane and the junction on the second inclined-plane, so that collet is preferably shunk, improves the folder of collet
Clamp force, improves the connected firmness of low punch, and simultaneous buffering slot can absorb deformation quantity, prevent collet from damaging.
In a kind of clamping structure of above-mentioned stamping equipment low punch, first fluting is across dashpot.Design is closed
Reason, enables dashpot preferably to absorb deformation quantity.
In a kind of clamping structure of above-mentioned stamping equipment low punch, along the axial direction of collet, the length on second inclined-plane
Degree is greater than the length on the first inclined-plane.This kind of structure cooperates with locking nut and positioning tube, is clamped collet preferably,
Deform collet preferably, to improve the stability of low punch.
In a kind of clamping structure of above-mentioned stamping equipment low punch, there is recessed set on the lateral wall of the positioning tube
The locating slot set has the fixation hole through side wall in the fixed cylinder, passes through fixation hole by pin shaft and is threaded through locating slot
In keep positioning tube and fixed cylinder circumferentially positioned.Positioning is convenient, makes positioning tube be not easy to rotate in the process of work, improves this clamping
The stability of structure.
In a kind of clamping structure of above-mentioned stamping equipment low punch, it is also cased with protective case outside the fixed cylinder, it is described
There is First terrace on the lateral wall of fixed cylinder, there is second step face, the First on the inner sidewall of the protective case
Terrace can be resisted against on second step face, have third step surface on the lateral wall of the protective case.This kind of structure, makes this clamping
The positioning tube of structure can directly wear and be located in fixed cylinder, place protective case directly and be mounted on stamping equipment
It is easy for installation on platen.
Compared with prior art, the clamping structure of stamping equipment low punch provided by the utility model has the advantage that
1, the first fluting of setting, the second fluting and dashpot on this clamping structure collet, allow collet to contract, make
Contact between collet and low punch is face contact, and contact area is big, so that this collet is preferably clamped low punch, under raising
The concentricity of formed punch improves the stability of low punch.
2, the setting on this clamping structure the first inclined-plane, the second inclined-plane and third inclined-plane, makes positioning tube, collet and locking nut
Compact-sized, connected is tighter, improves the connected stability of low punch.
3, this clamping structure adapts to various sizes of low punch in the market, and metric system different size made in Great Britain is all applicable.
Detailed description of the invention
Fig. 1 is the overall structure cross-sectional view of the clamping structure of this stamping equipment low punch.
Fig. 2 is the overall structure diagram of the clamping structure of this stamping equipment low punch.
Fig. 3 is the overall structure diagram of this stamping equipment low punch clamping structure collet.
In figure, 1, fixed cylinder；11, fixation hole；12, First terrace；2, collet；21, the first inclined-plane；22, the second inclined-plane；
23, the first fluting；24, the second fluting；25, dashpot；3, positioning tube；31, third inclined-plane；32, locating slot；4, locking nut；
5, protective case；51, second step face；52, third step surface.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, the clamping structure of this stamping equipment low punch includes fixed cylinder 1, collet 2, positioning tube 3, lock
Tight nut 4 and protective case 5.
As shown in figure 3, the lateral wall at the top of collet 2 is the first tapered inclined-plane 21, the lateral wall of 2 bottom of collet be in
Second inclined-plane 22 of taper, the inner sidewall of collet 2 is cylindrical, and along the axial direction of collet 2, the length on the second inclined-plane 22 is greater than first
The length on inclined-plane 21.In the present embodiment, along the axial direction of collet 2, the top of collet 2 have eight extend to 2 bottom of collet the
One fluting 23, the bottom of collet 2 have eight to the second fluting 24 extended at the top of collet 2, in actual production, the first fluting
23 and second fluting 24 quantity can be four or ten.First fluting 23 and 24 interval of the second fluting are arranged in a staggered manner,
The inner end of first fluting 23 extends between two second adjacent flutings 24, and the inner end of the second fluting 24 extends to adjacent two
Between a first fluting 23.With the dashpot 25 in a ring of recessed setting on the lateral wall of collet 2, dashpot 25 is located at the
The junction on one inclined-plane 21 and the second inclined-plane 22, the first fluting 23 pass through dashpot 25.
There is the locating slot 32 of recessed setting on the lateral wall of positioning tube 3, there is the fixation hole through side wall in fixed cylinder 1
11, fixation hole 11 is passed through by pin shaft and being threaded through in locating slot 32 keeps positioning tube 3 and fixed cylinder 1 circumferentially positioned.
There is tapered third inclined-plane 31 on the inner sidewall at 3 top of positioning tube, the bottom of collet 2 extend into positioning tube 3
Top in and the second inclined-plane 22 be resisted against on third inclined-plane 31, the top of collet 2 is located in locking nut 4, passes through locking screw
Mother 4 and the top of positioning tube 3 are fixedly connected with, and locking nut 4 is resisted against fixed cylinder 1, and collet 2 is fixed on positioning tube 3 and locking nut 4
In.
Also be cased with protective case 5 outside fixed cylinder 1, there is First terrace 12 on the lateral wall of fixed cylinder 1, protective case 5 it is interior
There is second step face 51 on side wall, there is third step surface 52 on the lateral wall of protective case 5.
When loading formed punch, the bottom of collet 2 is inserted in the top of positioning tube 3, low punch is inserted into collet 2, so
Low punch, which is passed through locking nut 4, afterwards pre-tightens locking nut 4 and positioning tube 3, continues to rotate locking nut 4, until low punch
It is fixed.Positioning tube 3 is threaded through in fixed cylinder 1 again, locking nut 4 is resisted against in fixed cylinder 1, passes through fixation hole 11 by pin shaft
And being threaded through in locating slot 32 keeps positioning tube 3 and fixed cylinder 1 circumferentially positioned.Then fixed cylinder 1 is threaded through on protective case 5, is made
First terrace 12 is resisted against on second step face 51, and finally protective case 5 is threaded through on the platen of stamping equipment, makes third platform
Terrace 52 is resisted against on the step surface of platen.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although fixed cylinder 1, fixation hole 11, First terrace 12, collet 2, the first inclined-plane 21, is used more herein
The 23, second fluting of two inclined-planes 22, first fluting 24, dashpot 25, positioning tube 3, third inclined-plane 31, locating slot 32, locking nut
4, the terms such as protective case 5, second step face 51, third step surface 52, but it does not exclude the possibility of using other terms.It uses
These terms are used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional
Limitation be all contrary to the spirit of the present invention.
Claims (7)
1. a kind of clamping structure of stamping equipment low punch, including fixed cylinder (1), which is characterized in that clamping structure further includes folder
Head (2), positioning tube (3) and locking nut (4), the lateral wall at the top of the collet (2) is tapered the first inclined-plane (21), institute
The lateral wall for stating collet (2) bottom is tapered the second inclined-plane (22), and the inner sidewall of the collet (2) is cylindrical, along folder
The axial direction of head (2), the top of the collet (2) have the first fluting (23) that several extend to collet (2) bottom, the folder
There are several to slot (24) to second of extension at the top of collet (2) for the bottom of head (2), and the positioning tube (3) is threaded through fixation
In cylinder (1) and the positioning tube (3) and fixed cylinder (1) are circumferentially positioned, have on the inner sidewall at the top of the positioning tube (3) in cone
The bottom on the third inclined-plane (31) of shape, the collet (2) is extend into the top of positioning tube (3) and second inclined-plane (22) supports
It leans against on third inclined-plane (31), the top of the collet (2) is located in locking nut (4), by the locking nut (4) and fixed
Being fixedly connected at the top of position cylinder (3) is fixed on collet (2) in positioning tube (3) and locking nut (4), and the locking nut (4) is supported
It leans against on fixed cylinder (1).
2. a kind of clamping structure of stamping equipment low punch according to claim 1, which is characterized in that first fluting
(23) it is arranged in a staggered manner with the second fluting (24) interval, the inner end of first fluting (23) extends to two second adjacent flutings
(24) between, the inner end of second fluting (24) is extended between two first adjacent flutings (23).
3. a kind of clamping structure of stamping equipment low punch according to claim 1, which is characterized in that the collet (2)
Lateral wall on the dashpot (25) in a ring with recessed setting, the dashpot (25) is located at the first inclined-plane (21) and the
The junction on two inclined-planes (22).
4. a kind of clamping structure of stamping equipment low punch according to claim 3, which is characterized in that first fluting
(23) dashpot (25) are passed through.
5. a kind of clamping structure of stamping equipment low punch according to claim 1 or 2 or 3 or 4, which is characterized in that edge
The axial direction of collet (2), the length of second inclined-plane (22) are greater than the length of the first inclined-plane (21).
6. a kind of clamping structure of stamping equipment low punch according to claim 1 or 2 or 3 or 4, which is characterized in that institute
The locating slot (32) on the lateral wall of positioning tube (3) with recessed setting is stated, there is consolidating through side wall in the fixed cylinder (1)
Determine hole (11), passing through fixation hole (11) by pin shaft and be threaded through in locating slot (32) keeps positioning tube (3) and fixed cylinder (1) circumferential
Positioning.
7. a kind of clamping structure of stamping equipment low punch according to claim 1 or 2 or 3 or 4, which is characterized in that institute
It states fixed cylinder (1) to be also cased with outside protective case (5), there are First terrace (12) on the lateral wall of the fixed cylinder (1), the guarantor
There are second step face (51) on the inner sidewall of sheath (5), the First terrace (12) can be resisted against second step face (51)
On, there are third step surface (52) on the lateral wall of the protective case (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773876.XU CN208928990U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment low punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773876.XU CN208928990U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment low punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208928990U true CN208928990U (en) | 2019-06-04 |
Family
ID=66726520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773876.XU Active CN208928990U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment low punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208928990U (en) |
-
2018
- 2018-10-30 CN CN201821773876.XU patent/CN208928990U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206513676U (en) | Easily press rivet | |
| CN104476285A (en) | Turning fixture for thin-wall bearing ring inner holes | |
| CN205074847U (en) | Clamping fixing device of thin wall section of thick bamboo class part | |
| CN204953710U (en) | Pipe fitting throat mold processing | |
| CN205990765U (en) | A kind of special split bolt of building engineering construction | |
| CN105345171A (en) | Positioning and clamping device | |
| CN208928990U (en) | A kind of clamping structure of stamping equipment low punch | |
| CN106346286A (en) | Sphere type part turning installing and clamping tooling | |
| CN207709898U (en) | Hollow work-piece localization tool | |
| CN205244087U (en) | From rotating fastening nut | |
| CN210677207U (en) | Integral internal expanding gear shaping clamp | |
| CN206967286U (en) | A kind of device suitable for thin-wall sleeve tube kind part grinding | |
| CN112460124B (en) | High-strength bolt and processing method thereof | |
| CN211202583U (en) | Expansion type anti-loose bolt | |
| CN208825894U (en) | A kind of tooling preventing welding deformation | |
| CN208928989U (en) | A kind of clamping structure of stamping equipment upper punch | |
| CN208826313U (en) | Floating honing tool | |
| CN207139023U (en) | Gear-hobbing machine workpiece positioning support | |
| CN206702240U (en) | Double-blade adjustable boring cutter | |
| CN210878591U (en) | Center frame | |
| CN218611062U (en) | Die for machining inner grooves of steel pipes | |
| CN209875686U (en) | Nut capable of adjusting thread aperture | |
| CN218694629U (en) | Thin wall copper sheathing thread machining fixing device | |
| CN209115510U (en) | Locking nut for brother's woods column | |
| CN218050687U (en) | Hobbing clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |