CN206676932U - Lower jaw - Google Patents
Lower jaw Download PDFInfo
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- CN206676932U CN206676932U CN201621458241.1U CN201621458241U CN206676932U CN 206676932 U CN206676932 U CN 206676932U CN 201621458241 U CN201621458241 U CN 201621458241U CN 206676932 U CN206676932 U CN 206676932U
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- lower jaw
- mounting groove
- utility
- flank
- groove
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Abstract
The utility model discloses a kind of lower jaw, the connection bump for connecting equipment is provided with the downside of the lower jaw, the cross section of the connection bump is square.T-shaped dovetail in the prior art on the downside of lower jaw is changed to the connection bump that cross section is square by the utility model, can not only increase the stability of lower jaw, and is advantageous to save the purchase cost of lower jaw.
Description
Technical field
Machining technology field is the utility model is related to, more particularly to a kind of lower jaw.
Background technology
1500 tons of stretcher jaws are the most important instruments of stretching process, and it rationally, effectively uses the profile chi to product
Very little, residual stress, which eliminates, has decisive influence.
Stretching jaw of the prior art is overall structure, and thickness specification is from 380~500mm.Each new jaw valency
Ten thousand yuan or so of lattice 4.5-5.5.The problem of former jaw is present predominantly is failed, and fast, service life is short, its one of main performance of failing
Damaged for dovetail.The year of jaw is consumed typically more than 20.
Wherein, the lower jaw in stretcher jaw is monolithic construction, and its upper surface is provided with the flank of tooth, downside be provided with
Upper jaw identical is used for the T-shaped dovetail for connecting equipment, in order to which upper jaw and lower jaw carry out exchange function at any time.
In use, two sides of T-shaped dovetail are very easy to damage, and the damage of T-shaped dovetail can cause entirely to clamp
Mouth failure.So during use, lower jaw has the defects of failure is fast, service life is short, production cost is high.
Therefore, how to solve the high technical problem of production cost caused by stretching-machine lower jaw is damaged due to dovetail, be mesh
Preceding those skilled in the art technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of lower jaw, and the T-shaped dovetail on the downside of lower jaw is changed to
Cross section be square connection bump, can not only increase the stability of lower jaw, and be advantageous to save lower jaw purchase into
This.
To achieve the above object, the utility model provides following technical scheme：
A kind of lower jaw, the connection bump for connecting equipment, the connection bump are provided with the downside of the lower jaw
Cross section be square.
Preferably, in above-mentioned lower jaw, the width dimensions of the connection bump are 200-2 -3, unit mm.
Preferably, in above-mentioned lower jaw, mounting groove is provided with the upside of the lower jaw, is provided with the mounting groove
Flank of tooth insert, a side of the flank of tooth insert are provided with the flank of tooth for extruding workpiece, and the flank of tooth protrudes the installation
Outside groove.
Preferably, in above-mentioned lower jaw, the flank of tooth insert has been provided at both ends with repeated hole.
Preferably, in above-mentioned lower jaw, position corresponding with described repeated hole is provided with for hanging on the lower jaw
The groove stepped down is filled, the groove is located at the both sides of the mounting groove and connected with the mounting groove.
Preferably, the first side adjacent with the groove be at least partially in above-mentioned lower jaw, in the mounting groove
To the first inclined-plane of groove outer incline；
In the mounting groove, the second side vertical with the first side, at least partially second to groove outer incline
Inclined-plane.
Preferably, in above-mentioned lower jaw, the angle of inclination on first inclined-plane is 13 ° to 17 °, second inclined-plane
Angle of inclination is 25 ° to 35 °.
Preferably, in above-mentioned lower jaw, connection bump central axis along its length and the mounting groove edge
The central axis of length direction, the central axis upright with the lower jaw along its length.
It can be seen from the above technical proposal that in lower jaw provided by the utility model, by the T-shaped dovetail on the downside of lower jaw
The connection bump (i.e. without dovetail configuration) that cross section is square is changed to, on the one hand can avoid lower jaw is overall because of dovetail damage from losing
Effect, be advantageous to save the purchase cost of lower jaw, on the other hand can increase the stability of lower jaw.Nothing provided by the utility model
Without suspension, it is used the lower jaw of dovetail configuration as single lower jaw.Due to without dovetail, lower jaw structure letter
It is single, it is desirable to assembly precision it is low, be easy to assembly manipulation.Meanwhile the downside lifting surface area of the lower jaw of no dovetail configuration, by
Dovetail lower surface is changed into the overall lower surface of lower jaw, and the increase of its lifting surface area, jaw force-bearing situation is more preferably.In addition, pass through this
Utility model, the failure dovetail for the lower jaw that fails can also being passed through into simple processing, (i.e. milling is except the dovetail side of failure dovetail dovetail
Side) it can re-use, without enough buying whole lower jaw again, so as to greatly save production cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the failure lower jaw that the utility model embodiment provides (dotted line is broken parts)；
Fig. 2 be the utility model embodiment provide the lower jaw without dovetail side structural representation (dotted line be removal
Dovetail side)；
Fig. 3 is the structural representation for the lower jaw for processing mounting groove that the utility model embodiment provides；
Fig. 4 is the structural representation of the lower jaw for the setting geared surface insert that the utility model embodiment provides；
Fig. 5 is the top view for the lower jaw that the utility model embodiment provides；
Fig. 6 is the main view manuscript for the lower jaw that the utility model embodiment provides；
Fig. 7 is the vertical view manuscript for the lower jaw that the utility model embodiment provides.
1- lower jaws, 2- flank of tooth inserts, the 10- failures flank of tooth (the also known as former flank of tooth), 11- dovetails side, 12- connection bumps,
13- mounting grooves, 14- grooves, 140- escapes, the inclined-planes of 141- first, the inclined-planes of 142- second, 21- play repeated hole.
Embodiment
The utility model embodiment discloses a kind of lower jaw, and the T-shaped dovetail on the downside of lower jaw is changed into cross section for side
The connection bump of type, can not only increase the stability of lower jaw, and be advantageous to save the purchase cost of lower jaw.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 to Fig. 7 is referred to, Fig. 1 is the structural representation (strokes and dots for the failure lower jaw that the utility model embodiment provides
Line is broken parts), Fig. 2 is the structural representation (dotted line for the lower jaw without dovetail side that the utility model embodiment provides
For the dovetail side of removal), Fig. 3 is the structural representation for the lower jaw for processing mounting groove that the utility model embodiment provides
Figure, Fig. 4 are the structural representation of the lower jaw for the setting geared surface insert that the utility model embodiment provides, and Fig. 5 is this practicality
The top view for the lower jaw that new embodiment provides, Fig. 6 are the main view manuscript for the lower jaw that the utility model embodiment provides,
Fig. 7 is the vertical view manuscript for the lower jaw that the utility model embodiment provides.
In the prior art, be provided with the downside of lower jaw and be used to connect the T-shaped dovetail of equipment with upper jaw identical, be for
And upper jaw carries out exchange function at any time.But in production practices, bit carries out exchange function effect not at any time
Greatly.Also, in view of lower jaw is in use, two dovetail sides 11 of its T-shaped dovetail are in disarmed state.Therefore, originally
Utility model provides a kind of lower jaw.
The lower jaw that the utility model embodiment provides, specifically refer to Fig. 3 to Fig. 7.The downside of lower jaw 1 is provided with use
In the connection bump 12 of connection equipment, the cross section of connection bump 12 is square.
It can be seen from the above technical proposal that the lower jaw that the utility model embodiment provides, the T-shaped dovetail of downside is changed
For the connection bump 12 (i.e. without dovetail configuration) that cross section is square, it on the one hand can avoid lower jaw is overall because of dovetail damage from losing
Effect, be advantageous to save the purchase cost of lower jaw, on the other hand can increase the stability of lower jaw.The utility model embodiment carries
Without suspension, it is used the lower jaw without dovetail configuration supplied as single lower jaw.Due to without dovetail, the lower jaw knot
Structure is simple, it is desirable to assembly precision it is low, be easy to assembly manipulation.Meanwhile the downside stress surface of the lower jaw of no dovetail configuration
Product, it is changed into the overall lower surface of lower jaw from dovetail lower surface, the increase of its lifting surface area, jaw force-bearing situation is more preferably.In addition, this
The lower jaw that utility model embodiment provides, can by simple processing, (i.e. milling removes by by the failure dovetail for the lower jaw that fails
The dovetail side 11 of failure dovetail dovetail, specifically as shown in Figure 1 to Figure 2) obtain, without enough buying whole lower jaw again, so as to
Greatly save production cost.But, it is not limited to this, those skilled in the art also may be used in actual production manufacturing process
According to being actually needed, new lower jaw is manufactured from new steel ingot, the utility model is not especially limited to this.
Specifically, in above-mentioned lower jaw 1, the width dimensions of connection bump 12 are 200-2 -3(unit mm), connection bump 12
The central axis of central axis and mounting groove 13 along its length along its length, with lower jaw 1 along its length in
Mandrel line is vertical.
Further, the upside of lower jaw 1 is provided with mounting groove 13, and geared surface insert 2, flank of tooth edge are set in mounting groove 13
One side of block 2 is provided with the flank of tooth for extruding workpiece, and the flank of tooth is protruded outside mounting groove.
Specifically, the size of above-mentioned mounting groove 13 is 660mm × 502mm × 40mm, for placing flank of tooth insert 2, and is prevented
Only flank of tooth insert 2 slides.The length and width of flank of tooth insert 2 is 600mm × 500mm, and its thickness is 50-220mm, also, tooth
The both ends of face insert 2 have processed repeated hole 21, are easy to handling.In production process, can according to needed for product opening degree, easily change
The flank of tooth insert 2 of different-thickness or the flank of tooth insert 2 more renewed.
In a particular embodiment, as shown in Figures 3 to 5, on lower jaw 1, the 21 corresponding position of repeated hole with flank of tooth insert 2
Install and be equipped with for lifting the groove 14 stepped down, the groove 14 is located at the both sides of mounting groove 13, and is connected with mounting groove 13.
Further, as shown in fig. 7, in mounting groove 13, in the first side adjacent with groove 14 at least partially to
The first inclined-plane 141 (i.e. the Outboard Sections of first side or generally to the first inclined-plane 141 of groove outer incline) of groove outer incline,
The angle of inclination on one inclined-plane 141 is 13 ° to 17 ° (being preferably 15 °)；Also, in mounting groove 13, vertical with first side
Dual side-edge, at least partially the second inclined-plane 142 to groove outer incline, the angle of inclination on the second inclined-plane 142 for 25 ° to 35 ° (preferably
For 30 °), the second inclined-plane 142 is obtained wherein it is possible to which the whole piece second side of mounting groove 13 is all provided with being set to inclined-plane, can also be as
Shown in Fig. 7, the upper part of the second side of mounting groove 13 is only arranged to inclined-plane and obtains the second inclined-plane 142, and second side
Lower part remains vertical plane.In addition, in mounting groove 13, there is escape corner respectively.Above-mentioned first inclined-plane 141 and second is oblique
The setting in face 142 is easy to flank of tooth insert 2 being positioned in mounting groove 13.
To sum up, the lower jaw provided by the utility model embodiment, fundamentally solves recent decades puzzlement 1500
The jaw service life of ton stretching-machine is short, problem that instrument use cost is high.Practice operation display, the utility model embodiment carry
The lower jaw of confession is functionally completely the same with integrally-built lower jaw in the prior art, it is not necessary to other components or
Apparatus body enters transformation.Flank of tooth insert and the cooperation of jaw pedestal are simple, therefore its dismounting is quick, convenient.
Also, jaw cost of use can be greatly reduced in the utility model.Integrally-built lower jaw can be because in the prior art
Local failure causes the failure of whole lower jaw, and it loses big.The lower jaw of combining structure provided by the utility model will clamp
Mouthful base-separation comes out, and becomes durable components, and the flank of tooth by being processed to the dovetail of partial failure or to failure
Insert is changed, and to reach the purpose for recovering jaw function, loss is relatively much lower.Following table is lower jaw flank of tooth insert
Typical price, it can be seen that relatively integrally-built lower jaw, its value is very significant.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. lower jaw, it is characterised in that the connection bump (12) for connecting equipment is provided with the downside of the lower jaw, The cross section of the connection bump (12) is square.
- 2. lower jaw according to claim 1, it is characterised in that the width dimensions of the connection bump (12) are 200-2 -3, Unit mm.
- 3. lower jaw according to claim 1, it is characterised in that mounting groove (13) is provided with the upside of the lower jaw, Geared surface insert (2) is set in the mounting groove (13), and a side of the flank of tooth insert (2) is provided with for extruding workpiece The flank of tooth, the flank of tooth protrudes the mounting groove (13) outside.
- 4. lower jaw according to claim 3, it is characterised in that the flank of tooth insert (2) has been provided at both ends with repeated hole (21)。
- 5. lower jaw according to claim 4, it is characterised in that corresponding with described repeated hole (21) on the lower jaw Position be provided with for lift step down groove (14), the groove (14) be located at the both sides of the mounting groove (13) and with it is described Mounting groove (13) connects.
- 6. lower jaw according to claim 5, it is characterised in that adjacent with the groove (14) in the mounting groove (13) First side at least partially to the first inclined-plane (141) of groove outer incline；In the mounting groove (13), the second side vertical with the first side, at least partially second to groove outer incline Inclined-plane (142).
- 7. lower jaw according to claim 6, it is characterised in that the angle of inclination of first inclined-plane (141) be 13 ° extremely 17 °, the angle of inclination of second inclined-plane (142) is 25 ° to 35 °.
- 8. according to the lower jaw described in claim any one of 3-7, it is characterised in that the connection bump (12) is along its length Central axis and the mounting groove (13) central axis along its length, the equal centers with the lower jaw along its length Axis is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458241.1U CN206676932U (en) | 2016-12-28 | 2016-12-28 | Lower jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458241.1U CN206676932U (en) | 2016-12-28 | 2016-12-28 | Lower jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206676932U true CN206676932U (en) | 2017-11-28 |
Family
ID=60395562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458241.1U Active CN206676932U (en) | 2016-12-28 | 2016-12-28 | Lower jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206676932U (en) |
-
2016
- 2016-12-28 CN CN201621458241.1U patent/CN206676932U/en active Active
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