CN208928989U - A kind of clamping structure of stamping equipment upper punch - Google Patents
A kind of clamping structure of stamping equipment upper punch Download PDFInfo
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- CN208928989U CN208928989U CN201821773725.4U CN201821773725U CN208928989U CN 208928989 U CN208928989 U CN 208928989U CN 201821773725 U CN201821773725 U CN 201821773725U CN 208928989 U CN208928989 U CN 208928989U
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- collet
- plane
- connecting cylinder
- upper punch
- locking nut
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Abstract
The utility model provides a kind of clamping structure of stamping equipment upper punch, belongs to stamping equipment technical field.It solves the problems, such as that the repair and replacement of existing upper punch clamping are at high cost.The clamping structure of this stamping equipment upper punch, stamping equipment includes rack gear, clamping structure includes connecting cylinder, collet and locking nut, the bottom of rack gear is arranged and is connected at the top of connecting cylinder, the inner sidewall of connecting cylinder bottom is the first tapered inclined-plane, lateral wall at the top of collet is the second tapered inclined-plane, the lateral wall of chuck portion is tapered third inclined-plane, the inner sidewall of collet is cylindrical, the bottom of connecting cylinder and the second inclined-plane is threaded through at the top of collet to be resisted against on the first inclined-plane, locking nut is set in the bottom of collet and the inner sidewall of locking nut is resisted against on third inclined-plane, being fixedly connected with by the bottom of locking nut and connecting cylinder is fixed on collet in connecting cylinder and locking nut.The clamping structure of this stamping equipment upper punch has the advantages that maintenance replacement cost is low.
Description
Technical field
The utility model belongs to stamping equipment technical field, is related to a kind of clamping structure of stamping equipment upper 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.
Existing stamping equipment, including driving motor are fixed with gear on the output shaft of driving motor, set in stamping equipment
There is the rack gear being arranged along the vertical direction, rack and pinion is meshed, and can output a locating slot in the bottom of rack gear, then will be upper
It is inserted into locating slot at the top of formed punch, then penetrates the side wall of locating slot by fastening bolt and extend into locating slot and be resisted against
It on upper punch, is fixedly connected with upper punch with rack gear, realizes the clamping of upper punch.
But the installation way of this kind of upper punch, it is and upper after multiple punching press since upper punch is directly connected on rack gear
There is deformation, damage in the bottom of the connected rack gear of formed punch, so as to cause the upper punch installation of rack gear bottom is mounted on not
Jail or the problem of deviate setting position, when this results in punching press, has that punching precision is low and punching press failure, needs more
Rack gear is changed, and since rack gear itself is at high cost, and be mounted in equipment, replacement trouble, replacement cost is high.
Summary of the invention
The purpose of this utility model is proposed and is rushed on a kind of stamping equipment for the above-mentioned problems in the prior art
The technical issues of clamping structure of head, solution is how to reduce the maintenance replacement cost of equipment.
The purpose of this utility model can be realized by the following technical scheme: a kind of clamping knot of stamping equipment upper punch
Structure, stamping equipment include rack gear, which is characterized in that clamping structure includes connecting cylinder, collet and locking nut, the connecting cylinder
Top is arranged and is connected in the bottom of rack gear, and the inner sidewall of the connecting cylinder bottom is the first tapered inclined-plane, the collet
The lateral wall at top is the second tapered inclined-plane, and the lateral wall of the chuck portion is tapered third inclined-plane, the folder
The inner sidewall of head is cylindrical, and the bottom of connecting cylinder is threaded through at the top of the collet and second inclined-plane is resisted against first tiltedly
On face, the locking nut is set in the bottom of collet and the inner sidewall of the locking nut is resisted against on third inclined-plane, passes through
The bottom of the locking nut and connecting cylinder, which is fixedly connected with, is fixed on collet in connecting cylinder and locking nut.
It is threaded through in collet at the top of upper punch, by rotating locking nut, collet is made to be fixed on connecting cylinder and locking screw
In mother, and it is fixed on upper punch in collet, when upper punch punching press, the connecting cylinder positioned at rack gear bottom bears bigger impulse force,
I.e. connecting cylinder bears the power that should be born originally by rack gear, and rack gear is hardly damaged, and replaces connecting cylinder after connecting cylinder damage
, and when needing replacing diameter and distinguishing very big cutter, clamping structure is replaced, no replacement is required rack gear, clamping structure
It is at low cost relative to rack gear, and even clamping structure is located at external position, connecting cylinder convenient maintenance and replacement, maintenance replacement cost is low,
It adapts in the market, the different size of upper mold formed punch metric and English.The setting on the first inclined-plane, the second inclined-plane and third inclined-plane makes to connect
Connect cylinder, collet and locking nut structure are compact, and connected is tighter, improve the stability after upper punch is connected, and make upper punch, connection
Cylinder, collet and locking nut are hardly damaged, and are improved service life, are reduced cost；The inner sidewall of collet is cylindrical, is and upper punching
The lateral wall of head matches, and improves the stability of upper punch.
In a kind of clamping structure of above-mentioned stamping equipment upper punch, along the axial direction of collet, the top of the collet has
There is the first fluting that several extend to chuck portion, the bottom of the collet has several to second of extension at the top of collet
It slots, first fluting and the second fluting interval are arranged in a staggered manner, and have recessed setting on the lateral wall of the collet is in ring
The dashpot of shape, the dashpot are located at the junction on the second inclined-plane and third inclined-plane.The setting of first fluting and the second fluting,
Allow collet to contract, this collet is allow preferably to clamp upper punch, and the installation site of upper punch can be played
The effect of fine tuning improves the concentricity of upper punch, improves the stability of upper punch, improves machining accuracy, and be not easy upper punch
Damage；The setting of dashpot makes collet will not be blocked up in the wall thickness of the second inclined-plane and the junction on third inclined-plane, enables collet
It preferably shrinks, improves the clamping force of collet, improve the connected firmness of upper punch, simultaneous buffering slot can absorb deformation
Amount, prevents collet from damaging.
In a kind of clamping structure of above-mentioned stamping equipment upper punch, the inner end of first fluting extends to adjacent
Between two second flutings, the inner end of second fluting is extended between two first adjacent flutings.This kind of structure makes to press from both sides
The position distribution slotted on head it is more uniform, collet shrink uniformly, clamping effect is good, improves the concentricity of upper punch.
In a kind of clamping structure of above-mentioned stamping equipment upper punch, second 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 upper punch, there is annular on the inner sidewall of the locking nut
Step surface, the locking nut, which is located on the inner sidewall above annular step surface, has internal screw thread, outside the connecting cylinder bottom
There is external screw thread, the locking nut and connecting cylinder are fixedly connected with by way of screw thread on side wall.Screw thread is connected, and passes through rotation lock
Tight nut can control the clamping degree of collet, and can preferably be connected upper punch, improve the stability of upper punch.
In a kind of clamping structure of above-mentioned stamping equipment upper punch, the locking nut is located at below annular step surface
Inner sidewall on there is the 4th tapered inclined-plane, the 4th inclined-plane is connected with annular step surface, and the 4th inclined-plane can be with
Third inclined-plane leans.The setting on the 4th inclined-plane improves the contact area of locking nut and collet, keeps locking nut more preferable
Promotion collet, so that collet is preferably clamped upper punch, improve the stability of upper punch.
In a kind of clamping structure of above-mentioned stamping equipment upper punch, the outer diameter of the rack gear bottom be less than rack gear remaining
The lateral wall of partial outer diameter, the rack gear bottom is tapered, and the inner sidewall at the top of the connecting cylinder is tapered, the connecting cylinder
It is fixedly connected with by way of tight fit with rack gear.Tight fit is connected, and it is convenient to be connected.
As another situation, in a kind of clamping structure of above-mentioned stamping equipment upper punch, the connecting cylinder and tooth
Item is fixedly connected with by way of screw thread, and the connecting cylinder is cylindrical, on the lateral wall of the connecting cylinder there is a pair symmetrically to set
That sets screws plane.Plane is screwed for clamping for tool, connecting cylinder can be preferably rotated by screwing plane, make to connect
Cylinder and rack gear are fixedly connected with.
Compared with prior art, the clamping structure of stamping equipment upper punch provided by the utility model has the advantage that
1, this clamping structure is used to clamping upper punch, is hardly damaged rack gear, only needs to change clamping device, maintenance is more
It changes conveniently, maintenance replacement cost is low.
2, the setting on this clamping structure the first inclined-plane, the second inclined-plane, third inclined-plane and the 4th inclined-plane, makes connecting cylinder, collet
It is compact with locking nut structure, it is connected tighter, improve the stability after upper punch is connected, make upper punch, connecting cylinder, collet and
Locking nut is hardly damaged, and reduces cost.
3, the first fluting of setting, the second fluting and dashpot on this clamping structure collet, allow collet to contract, make
This collet can preferably clamp upper punch, improve the concentricity of upper punch, improve the stability of upper punch, be not easy upper punch
Damage improves machining accuracy.
4, this clamping structure adapts to various sizes of upper punch in the market, and metric system different size made in Great Britain is all applicable, fits
It is wide with range.
Detailed description of the invention
Fig. 1 is the overall structure cross-sectional view of the clamping structure of this stamping equipment upper punch.
Fig. 2 is the overall structure diagram of the clamping structure of this stamping equipment upper punch.
Fig. 3 is the overall structure diagram of this stamping equipment upper punch clamping structure collet.
In figure, 1, rack gear；2, connecting cylinder；21, the first inclined-plane；22, plane is screwed；3, collet；31, the second inclined-plane；32,
Three inclined-planes；33, the first fluting；34, the second fluting；35, dashpot；4, locking nut；41, annular step surface；42, the 4th tiltedly
Face.
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, stamping equipment includes rack gear 1, and the clamping structure of this stamping equipment upper punch includes connecting cylinder
2, collet 3 and locking nut 4.
The top of connecting cylinder 2 is arranged and is connected in the bottom of rack gear 1, and in the present embodiment, the outer diameter of 1 bottom of rack gear is less than tooth
The lateral wall of the outer diameter of 1 rest part of item, 1 bottom of rack gear is tapered, and the inner sidewall at the top of connecting cylinder 2 is tapered, connecting cylinder 2 with
Rack gear 1 is fixedly connected with by way of tight fit, and in actual production, connecting cylinder 2 can mutually be consolidated with rack gear 1 by way of screw thread
Even, connecting cylinder 2 is cylindrical, has a pair is symmetrically arranged to screw plane 22 on the lateral wall of connecting cylinder 2.
As shown in figure 3, the lateral wall at the top of collet 3 is the second tapered inclined-plane 31, the lateral wall of 3 bottom of collet be in
The third inclined-plane 32 of taper, the inner sidewall of collet 3 is cylindrical, and along the axial direction of collet, the length on the second inclined-plane 31 is greater than third
The length on inclined-plane 32.Along the axial direction of collet 3, the present embodiment, the top of collet 3 have eight extend to 3 bottom of collet the
One fluting 33, the bottom of collet 3 have eight to the second fluting 34 extended at the top of collet 3, in actual production, the first fluting
33 and second fluting 34 quantity can be six or ten.First fluting 33 and 34 interval of the second fluting are arranged in a staggered manner,
The inner end of first fluting 33 extends between two second adjacent flutings 34, and the inner end of the second fluting 34 extends to adjacent two
Between a first fluting 33.With the dashpot 35 in a ring of recessed setting on the lateral wall of collet 3, dashpot 35 is located at the
The junction on two inclined-planes 31 and third inclined-plane 32, the second fluting 34 pass through dashpot 35.
The inner sidewall of 2 bottom of connecting cylinder is the first tapered inclined-plane 21, and the top of collet 3 is threaded through the bottom of connecting cylinder 2
Portion and the second inclined-plane 31 is resisted against on the first inclined-plane 21.There is annular step surface 41, locking nut on the inner sidewall of locking nut 4
4 have internal screw thread on the inner sidewall of 41 top of annular step surface, and locking nut 4 is located at the inside of 41 lower section of annular step surface
There is the 4th tapered inclined-plane 42, the 4th inclined-plane 42 is connected with annular step surface 41 on wall.On the lateral wall of 2 bottom of connecting cylinder
With external screw thread, locking nut 4 and connecting cylinder 2 are fixedly connected with by way of screw thread.
When upper punch is installed, the bottom of collet 3 is placed in locking nut 4, locking nut 4 and connecting cylinder 2 pre-tighten, this
When, part collet 3 is located in connecting cylinder 2, will be penetrated at the top of upper punch in collet 3, rotate locking nut 4, make the 4th tiltedly
Face 42 leans with third inclined-plane 32, and locking nut 4 is made to push collet 3, and the second inclined-plane 31 of collet 3 is made to be resisted against first tiltedly
On face 21,34 deformation of the first fluting 33 and the second fluting makes collet 3 clamp upper punch, continues to screw locking nut 4, make collet 3
Upper punch is clamped, upper punch clamping is completed.
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 rack gear 1 is used more herein, connecting cylinder 2, the first inclined-plane 21, screws plane 22, collet 3, second tiltedly
Face 31,33, second fluting 34 of the fluting of third inclined-plane 32, first, dashpot 35, locking nut 4, annular step surface the 41, the 4th are oblique
The terms such as face 42, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the utility model；Being construed as any additional limitation is disagreed with the spirit of the present invention
Back.
Claims (8)
1. a kind of clamping structure of stamping equipment upper punch, stamping equipment includes rack gear (1), which is characterized in that clamping structure packet
Connecting cylinder (2), collet (3) and locking nut (4) are included, is arranged and is connected in the bottom of rack gear (1) at the top of the connecting cylinder (2)
Portion, the inner sidewall of connecting cylinder (2) bottom are tapered the first inclined-plane (21), and the lateral wall at the top of the collet (3) is
Tapered the second inclined-plane (31), the lateral wall of collet (3) bottom are tapered third inclined-plane (32), the collet
(3) inner sidewall is cylindrical, and the bottom of connecting cylinder (2) and second inclined-plane (31) are threaded through at the top of the collet (3)
It is resisted against on the first inclined-plane (21), the locking nut (4) is set in the interior of the bottom of collet (3) and the locking nut (4)
Side wall is resisted against on third inclined-plane (32), and being fixedly connected with by the bottom of the locking nut (4) and connecting cylinder (2) makes collet (3)
It is fixed in connecting cylinder (2) and locking nut (4).
2. a kind of clamping structure of stamping equipment upper punch according to claim 1, which is characterized in that along collet (3)
Axial, the top of the collet (3) has the first fluting (33) that several extend to collet (3) bottom, the collet (3)
There are several to slot (34) to second of extension at the top of collet (3) for bottom, first fluting (33) and the second fluting (34)
Interval is arranged in a staggered manner, with the dashpot (35) in a ring of recessed setting, the dashpot on the lateral wall of the collet (3)
(35) it is located at the junction of the second inclined-plane (31) and third inclined-plane (32).
3. a kind of clamping structure of stamping equipment upper punch according to claim 2, which is characterized in that first fluting
(33) inner end extends between two second adjacent flutings (34), and the inner end of second fluting (34) extends to adjacent
Between two first flutings (33).
4. a kind of clamping structure of stamping equipment upper punch according to claim 2, which is characterized in that second fluting
(34) dashpot (35) are passed through.
5. a kind of clamping structure of stamping equipment upper punch according to claim 1 or 2 or 3 or 4, which is characterized in that institute
Stating on the inner sidewall of locking nut (4) has annular step surface (41), and the locking nut (4) is located on annular step surface (41)
There is internal screw thread on the inner sidewall of side, there is external screw thread, the locking nut (4) on the lateral wall of connecting cylinder (2) bottom
It is fixedly connected with by way of screw thread with connecting cylinder (2).
6. a kind of clamping structure of stamping equipment upper punch according to claim 5, which is characterized in that the locking nut
(4) being located on the inner sidewall below annular step surface (41) has the 4th tapered inclined-plane (42), the 4th inclined-plane (42)
It is connected with annular step surface (41), the 4th inclined-plane (42) can lean with third inclined-plane (32).
7. a kind of clamping structure of stamping equipment upper punch according to claim 1 or 2 or 3 or 4, which is characterized in that institute
The outer diameter for stating rack gear (1) bottom is less than the outer diameter of rack gear (1) rest part, and the lateral wall of rack gear (1) bottom is tapered, institute
The inner sidewall stated at the top of connecting cylinder (2) is tapered, and the connecting cylinder (2) is fixedly connected with by way of tight fit with rack gear (1).
8. a kind of clamping structure of stamping equipment upper punch according to claim 1 or 2 or 3 or 4, which is characterized in that institute
It states connecting cylinder (2) to be fixedly connected with by way of screw thread with rack gear (1), the connecting cylinder (2) is cylindrical, the connecting cylinder (2)
Lateral wall on have and a pair of symmetrically arranged screw plane (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773725.4U CN208928989U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment upper punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773725.4U CN208928989U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment upper punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208928989U true CN208928989U (en) | 2019-06-04 |
Family
ID=66726538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773725.4U Active CN208928989U (en) | 2018-10-30 | 2018-10-30 | A kind of clamping structure of stamping equipment upper punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208928989U (en) |
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2018
- 2018-10-30 CN CN201821773725.4U patent/CN208928989U/en active Active
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