CN209303455U - A kind of open-close type profile drawing mould - Google Patents

Abstract

The utility model describes a kind of open-close type profile drawing mould, it includes mold set, mold set is made of Upper Die-sleeve and lower die-sleeve, Upper Die-sleeve and lower die-sleeve are semicircular structure and are mutually matched, and are equipped with mold core in mold set, mold core is made of upper mold core and lower mold core, upper mold core and lower mold core are semicircular structure and are mutually matched, upper mold core is mounted in Upper Die-sleeve, and lower mold core is mounted in lower die-sleeve, is equipped with variable diameter passage at mold core center；Upper left die sleeve slot and upper right die sleeve slot are offered respectively at the medial surface opening both ends of Upper Die-sleeve, lower-left die sleeve slot and bottom right die sleeve slot are offered respectively at the medial surface opening both ends of lower die-sleeve, offer upper left mold core slot and upper right mold core slot respectively at the lateral surface opening both ends of upper mold core.The utility model uses detachable opening-closing structure, can be with the processing sections of flexible choice drawing, and can once complete the operation of drawing procedure, avoids the cumbersome of roundtrip operation repeatedly.

Description

A kind of open-close type profile drawing mould

Technical field

The utility model relates to a kind of for producing the variable diameter drawing equipment of copper pipe profile, specially a kind of open-close type profile Drawing mould belongs to copper pipe processing technical field.

Background technique

With high-precision copper pipe in every field using more and more extensive, market for tubing demand not only It is limited to traditional copper dish materials in the tube, more and more demands have also been directed toward profile, increasingly increase especially for the demand of reducer pipe. It, need to due to different to the dimension and shape for requiring caliber on same root profile now currently, enterprise is when producing reducer pipe It to be manufactured using special technique and mold, and existing production mould is integral structure mostly, this mold It is typically only capable to begin to carry out drawing deformation operation from the end of copper pipe, but if being to need to produce the lesser copper of interlude caliber When the special pipe of pipe profile or variable diameter, existing mold then has biggish operation difficulty, therefore in production, it is often necessary to will Copper pipe carries out redraing operation by mold again after reversely retracting in the production line, and the pipe of different tube diameters and shape could be made Section, not only makes to operate when production so very inconvenient, and repetitious operate also results in the extension and production of production cycle The reduction of efficiency, also just because of the unmatched situation of this mold, so that the demand of production is difficult to be met, this is also mesh Urgent problem in preceding production.

Utility model content

For above-mentioned deficiency in the prior art, the main purpose of the utility model is that solving existing at present in production copper pipe Diameter changeable pipe material when, the larger problem of existing mold operation difficulty, and introduce one kind can select setting processing fragment position, and Easy to operate open-close type profile drawing mould.

The technical solution of the utility model includes: a kind of open-close type profile drawing mould, which is characterized in that including mold set, institute Mold set to be stated to be made of Upper Die-sleeve and lower die-sleeve, the Upper Die-sleeve and lower die-sleeve are semicircular structure and are mutually matched, Mold core is installed in the mold set, the mold core is made of upper mold core and lower mold core, and the upper mold core and lower mold core are It semicircular structure and is mutually matched, the upper mold core is mounted in Upper Die-sleeve, and the lower mold core is mounted in lower die-sleeve, described Mold core center is equipped with variable diameter passage；Upper left die sleeve slot and upper right mould are offered respectively at the medial surface opening both ends of the Upper Die-sleeve Grooving offers lower-left die sleeve slot and bottom right die sleeve slot at the medial surface opening both ends of lower die-sleeve, in the upper mold core respectively Lateral surface opening both ends offer upper left mold core slot and upper right mold core slot respectively, at the lateral surface opening both ends point of the lower mold core Lower-left mold core slot and bottom right mold core slot are not offered；The upper left die sleeve slot and upper left mold core slot form the first installation after combining Slot, the upper right die sleeve slot and upper right mold core slot form the second mounting groove, the lower-left die sleeve slot and lower-left mold core slot after combining In conjunction with rear formation third mounting groove, the 4th mounting groove is formed after the bottom right die sleeve slot and the combination of bottom right mold core slot；In the first peace It is fixed with the first compact heap in tankage, the second compact heap is fixed in the second mounting groove, is fixed in third mounting groove Three compact heaps, are fixed with the 4th compact heap in the 4th mounting groove, and first compact heap and the second compact heap pass through respectively Screw is connected and fixed with Upper Die-sleeve, and the third compact heap and the 4th compact heap pass through screw respectively and connect with lower die-sleeve admittedly It is fixed；The upper mold core is located in Upper Die-sleeve after first compact heap and the second compact heap are fixed, the third compact heap The lower mold core is located in lower die-sleeve after being fixed with the 4th compact heap；It is also respectively provided on one in the two sides of the Upper Die-sleeve Location hole is also respectively provided with a lower Positioning holes the two sides of the lower die-sleeve are corresponding, and the upper location hole is located at The outside in the outside of one compact heap and the second compact heap, the lower Positioning holes are located at the outside and the 4th of third compact heap The outside of compact heap, positioning pin are each passed through corresponding upper location hole and Upper Die-sleeve are connected lock with lower die-sleeve with after lower Positioning holes Tightly.

The utility model uses split type mold nested structure, by the structure of opening and closing type, to control for difference The Working position of pipeline section, while it can also be convenient for changing different mold cores, so as to produce the reducer pipe of different tube diameters, only Need a production line can meet demand.

Optimally, 2 upper bolt holes are also respectively provided in the two sides of the Upper Die-sleeve, are also respectively provided with 2 in the two sides of lower die-sleeve A lower bolt hole, wherein 2 upper bolt holes being located on the left of Upper Die-sleeve are distributed in the both ends of the upper location hole in left side respectively in axial direction, 2 upper bolt holes on the right side of Upper Die-sleeve are distributed in the both ends of the upper location hole in right side respectively in axial direction, are located on the left of lower die-sleeve 2 lower bolts hole be distributed in the both ends of left side lower Positioning holes, 2 lower bolts hole on the right side of lower die-sleeve point respectively in axial direction The not axially distributed both ends in right side lower Positioning holes.The utility model is upper and lower further to improve by setting bolt hole Stability after die sleeve connection, in this way under the collective effect of positioning pin and bolt, mold set just has good reliable operation Property, it will not skid or shift.

Optimally, first mounting groove, the second mounting groove, third mounting groove and the 4th mounting groove are rectangular channel. The structure that rectangular channel is employed herein is for more preferable acquisition installation accuracy compact heap not to be influenced after mounting The folding of mold core.

Optimally, the upper location hole, lower Positioning holes, upper bolt hole and lower bolt hole are through-hole.Here using logical The design in hole be in order to easily facilitate assembly, since the mold of the utility model can be opened and closed often at work, Convenient assembling structure is more advantageous to raising production efficiency.

Optimally, the internal diameter of the lower Positioning holes is less than the internal diameter of upper location hole.Here pass through the public affairs of control lower Positioning holes Difference size controls the installation condition of positioning pin, the lower end of positioning pin is clamped in lower Positioning holes always, thus All positioning pin is removed when not needing to be opened every time, to save the operating time.

Optimally, the lower end surface of first compact heap and the second compact heap is concordant with the open end of upper mold core, institute The upper surface for stating third compact heap and the 4th compact heap is concordant with the open end of lower mold core.The utility model passes through high-precision Design meet the drawing demand of high-precision copper pipe, the position by controlling compact heap makes upper mold core and lower mold core always can It enough combines and is adjacent to, avoid to generate gap on mold core in this way, ensured the production quality of copper pipe.

Optimally, the screw is cross recess countersunk head fastening screw.

Optimally, the inner wall of the variable diameter passage is the globoidal structure of progressive distribution, is followed successively by the first circular arc from the front to the back The circular arc angle on face, the second inclined-plane, third horizontal plane and third inclined-plane, first arc surface is 60-85 °, and described second tiltedly Face and horizontal direction angle are 150-165 °, and the third horizontal plane is concordant with horizontal direction, the third inclined-plane and level side It is 210-240 ° to angle.In the utility model, the variable diameter passage of the creative progressive globoidal structure using quaternary structure, So that copper pipe is not easy to be scratched in stress drawing process, and deformation process is relatively gentle, avoids the recess for causing copper pipe, Product quality is ensured.

Compared with the existing technology, the utility model has the following beneficial effects:

1, the drawing mould of the utility model uses detachable opening-closing structure first, so in process of production, The folding of mold can be flexibly controlled, to select and adjust to need the processing sections of drawing, so there is no need to every time must be from pipe The end of section starts drawing, and can once complete the operation of drawing procedure, avoids the cumbersome of roundtrip operation repeatedly, energy Enough meet the production and processing demand of different pattern reducer pipes.

2, reliability is preferable, in drawing production process have preferable craft precision, can ensure copper pipe surface not by It scratches, especially because not needing that secondary operation is repeated, therefore reduces the probability that copper pipe is scratched.

3, there is preferable versatility, it, can be according to production need due to using the structure of conveniently replaced core print It asks and replacement core print of different shapes is adjusted flexibly, the reducer pipe of different patterns can thus be made.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of open-close type profile drawing mould of the utility model.

Fig. 2 is the A-A cross-sectional view of Fig. 1.

Fig. 3 is the B-B cross-sectional view of Fig. 1.

Fig. 4 is the side view of lower die-sleeve in the utility model.

In figure, 1-mold set, 11-Upper Die-sleeves, 12-lower die-sleeves, 2-mold cores, 21-upper mold cores, 22-lower mold cores, 3-variable diameter passages, the 31-the first arc surface, the 32-the second inclined-plane, 33-third horizontal planes, 34-third inclined-planes, 41-upper lefts Die sleeve slot, 42-upper right die sleeve slots, 43-lower-left die sleeve slots, 44-bottom right die sleeve slots, 51-upper left mold core slots, 52-upper right moulds Core slot, 53-lower-left mold core slots, 54-bottom right mold core slots, the 61-the first mounting groove, the 62-the second mounting groove, the installation of 63-thirds Slot, the 64-the four mounting groove, the 71-the first compact heap, the 72-the second compact heap, 73-third compact heaps, 74-the four compresses Block, 81-upper location holes, 82-lower Positioning holes, 91-upper bolt holes, 92-lower bolts hole, 10-positioning pins, 13-screws.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

As Figure 1-Figure 4, a kind of open-close type profile drawing mould of the utility model, including mold set 1, the mold Set 1 is made of Upper Die-sleeve 11 and lower die-sleeve 12, and the Upper Die-sleeve 11 and lower die-sleeve 12 are semicircular structure and are mutually matched, Mold core 2 is installed in mold set 1, the mold core 2 is made of upper mold core 21 and lower mold core 22,21 He of upper mold core Lower mold core 22 is semicircular structure and is mutually matched, and the upper mold core 21 is mounted in Upper Die-sleeve 11, and the lower mold core 22 is pacified In lower die-sleeve 12, variable diameter passage 3 is equipped at 2 center of mold core；At the medial surface opening both ends point of the Upper Die-sleeve 11 Upper left die sleeve slot 41 and upper right die sleeve slot 42 are not offered, offer lower-left mould respectively at the medial surface opening both ends of lower die-sleeve 12 Grooving 43 and bottom right die sleeve slot 44 offer upper left mold core slot 51 and the right side at the lateral surface opening both ends of the upper mold core 21 respectively Upper mold core slot 52 offers lower-left mold core slot 53 and bottom right mold core slot at the lateral surface opening both ends of the lower mold core 22 respectively 54；The upper left die sleeve slot 41 and upper left mold core slot 51 form the first mounting groove 61, the upper right die sleeve slot 42 and the right side after combining Upper mold core slot 52 forms the second mounting groove 62 after combining, the lower-left die sleeve slot 43 and lower-left mold core slot 53 form third after combining Mounting groove 63, the bottom right die sleeve slot 44 and bottom right mold core slot 54 form the 4th mounting groove 64 after combining；In the first mounting groove 61 It is inside fixed with the first compact heap 71, the second compact heap 72 is fixed in the second mounting groove 62, it is fixed in third mounting groove 63 There is third compact heap 73, the 4th compact heap 74, first compact heap 71 and the second pressure are fixed in the 4th mounting groove 64 Tight block 72 is connected and fixed by screw 13 with Upper Die-sleeve 11 respectively, and the third compact heap 73 and the 4th compact heap 74 lead to respectively Screw 13 is crossed to be connected and fixed with lower die-sleeve 12；By the upper mold core 21 after first compact heap 71 and the second compact heap 72 are fixed It is located in Upper Die-sleeve 11, the lower mold core 22 is located in lower die after the third compact heap 73 and the fixation of the 4th compact heap 74 In set 12；It is also respectively provided with a upper location hole 81 in the two sides of the Upper Die-sleeve 11, it is corresponding in the two sides of the lower die-sleeve 12 Also a lower Positioning holes 82 are respectively provided with, the upper location hole 81 is located at outside and the second compact heap of the first compact heap 71 72 outside, the lower Positioning holes 82 are located at the outside of third compact heap 73 and the outside of the 4th compact heap 74, positioning Pin 10 locks Upper Die-sleeve 11 and the connection of lower die-sleeve 12 after being each passed through corresponding upper location hole 81 and lower Positioning holes 82.

Referring to figures 1-4, in the utility model, 2 upper bolt holes 91 are also respectively provided in the two sides of the Upper Die-sleeve 11, The two sides of lower die-sleeve 12 are also respectively provided with 2 lower bolts hole 92, wherein being located at 2 upper bolt holes 91 in the left side of Upper Die-sleeve 11 edge respectively The both ends of the upper location hole 81 in left side are axially distributed in, 2 upper bolt holes 91 positioned at 11 right side of Upper Die-sleeve are distributed respectively in axial direction In the both ends of location hole 81 on right side, 2 lower bolts hole 92 positioned at 12 left side of lower die-sleeve are distributed in respectively in axial direction under left side The both ends of location hole 82,2 lower bolts hole 92 positioned at 12 right side of lower die-sleeve are distributed in right side lower Positioning holes 82 respectively in axial direction Both ends.First mounting groove 61, the second mounting groove 62, third mounting groove 63 and the 4th mounting groove 64 is rectangular channel. Upper location hole 81, lower Positioning holes 82, upper bolt hole 91 and the lower bolt hole 92 is through-hole.The lower Positioning holes 82 it is interior Diameter is less than the internal diameter of upper location hole 81.It the lower end surface of first compact heap 71 and the second compact heap 72 is opened with upper mold core 21 Mouth end face is concordant, and the upper surface of the third compact heap 73 and the 4th compact heap 74 is concordant with the open end of lower mold core 22. The screw 13 is cross recess countersunk head fastening screw.The inner wall of the variable diameter passage 3 is the globoidal structure of progressive distribution, by The first arc surface 31, the second inclined-plane 32, third horizontal plane 33 and third inclined-plane 34, first arc surface 31 are followed successively by after forward direction Circular arc angle can be 60 °, 65 °, 70 °, 75 °, 80 ° or 85 °, second inclined-plane 32 can be with horizontal direction angle 150 °, 155 °, 158 °, 160 ° or 165 °, the third horizontal plane 33 is concordant with horizontal direction, the third inclined-plane 34 and level Angular separation can be 210 °, 220 °, 225 °, 230 ° or 240 °.

Upper mold core 21 during installation, is first mounted in Upper Die-sleeve 11 by the drawing mould of the utility model respectively, by lower die Core 22 is mounted in lower die-sleeve 12, after each corresponding compact heap is pressed in corresponding mounting groove, then with screw 13 fasten It tightens；Then it is aligned after being closed Upper Die-sleeve 11 and lower die-sleeve 12, so that upper mold core 21 and lower mold core 22 form sealing after being aligned And smooth variable diameter passage 3, positioning pin 10 and bolt then are installed from outside again, so that Upper Die-sleeve 11 and lower die-sleeve 12 combine shape At complete mold set 1,1 installation of mold set can finally be carried out to the operation of drawing procedure in the production line.

The drawing mould of the utility model can satisfy the production requirement of different model reducer pipe, have flexible adjusting energy Power, use is also more convenient, has good market value.

It should be noted that above embodiments are only to illustrate technical solutions of the utility model rather than restriction technologies scheme, Although applicant is explained in detail the utility model referring to preferred embodiment, those skilled in the art should be managed Solution, those to technical solutions of the utility model carry out modification or equivalent replacement, cannot be detached from the technical program objective and Range should all cover in the utility model claims range.

Claims (8)

1. a kind of open-close type profile drawing mould, which is characterized in that including mold set (1), the mold set (1) is by Upper Die-sleeve (11) it is formed with lower die-sleeve (12), the Upper Die-sleeve (11) and lower die-sleeve (12) are semicircular structure and are mutually matched, in institute It states and is equipped with mold core (2) in mold set (1), the mold core (2) is made of upper mold core (21) and lower mold core (22), the upper mold Core (21) and lower mold core (22) are semicircular structure and are mutually matched, and the upper mold core (21) is mounted in Upper Die-sleeve (11), The lower mold core (22) is mounted in lower die-sleeve (12), is equipped with variable diameter passage (3) at the mold core (2) center；In the upper mold The medial surface opening both ends of set (11) offer upper left die sleeve slot (41) and upper right die sleeve slot (42) respectively, in lower die-sleeve (12) Medial surface opening both ends offer lower-left die sleeve slot (43) and bottom right die sleeve slot (44) respectively, in the outside of the upper mold core (21) Face opening both ends offer upper left mold core slot (51) and upper right mold core slot (52) respectively, open in the lateral surface of the lower mold core (22) Mouth both ends offer lower-left mold core slot (53) and bottom right mold core slot (54) respectively；The upper left die sleeve slot (41) and upper left mold core slot (51) it is formed the first mounting groove (61) after combining, forms second after the upper right die sleeve slot (42) and upper right mold core slot (52) combination Mounting groove (62), the lower-left die sleeve slot (43) and lower-left mold core slot (53) form third mounting groove (63) after combining, the right side Lower die grooving (44) and bottom right mold core slot (54) form the 4th mounting groove (64) after combining；It is fixed in the first mounting groove (61) First compact heap (71) is fixed with the second compact heap (72) in the second mounting groove (62), fixed in third mounting groove (63) There are third compact heap (73), is fixed with the 4th compact heap (74), first compact heap (71) in the 4th mounting groove (64) It is connected and fixed respectively by screw (13) with Upper Die-sleeve (11) with the second compact heap (72), the third compact heap (73) and the Four compact heaps (74) are connected and fixed by screw (13) with lower die-sleeve (12) respectively；First compact heap (71) and second compresses The upper mold core (21) is located in Upper Die-sleeve (11) after block (72) is fixed, the third compact heap (73) and the 4th compact heap (74) lower mold core (22) is located in lower die-sleeve (12) after fixing；One is also respectively provided in the two sides of the Upper Die-sleeve (11) A upper location hole (81) is also respectively provided with a lower Positioning holes (82) the two sides of the lower die-sleeve (12) are corresponding, and described is upper Location hole (81) is located at the outside of the first compact heap (71) and the outside of the second compact heap (72), the lower Positioning holes (82) it is located at the outside of third compact heap (73) and the outside of the 4th compact heap (74), positioning pin (10) is each passed through correspondence Upper location hole (81) and lower Positioning holes (82) after by Upper Die-sleeve (11) and lower die-sleeve (12) connection locking.

2. a kind of open-close type profile drawing mould according to claim 1, which is characterized in that in the Upper Die-sleeve (11) Two sides are also respectively provided with 2 upper bolt holes (91), are also respectively provided with 2 lower bolts hole (92) in the two sides of lower die-sleeve (12), wherein position 2 upper bolt holes (91) on the left of Upper Die-sleeve (11) are distributed in the both ends of left side upper location hole (81) respectively in axial direction, are located at 2 upper bolt holes (91) on the right side of Upper Die-sleeve (11) are distributed in the both ends of right side upper location hole (81) respectively in axial direction, under being located at 2 lower bolts hole (92) on the left of die sleeve (12) are distributed in the both ends of left side lower Positioning holes (82) respectively in axial direction, are located at lower die 2 lower bolts hole (92) on the right side of set (12) are distributed in the both ends of right side lower Positioning holes (82) respectively in axial direction.

3. a kind of open-close type profile drawing mould according to claim 2, which is characterized in that first mounting groove (61), the second mounting groove (62), third mounting groove (63) and the 4th mounting groove (64) are rectangular channel.

4. a kind of open-close type profile drawing mould according to claim 3, which is characterized in that the upper location hole (81), lower Positioning holes (82), upper bolt hole (91) and lower bolt hole (92) are through-hole.

5. a kind of open-close type profile drawing mould according to claim 4, which is characterized in that the lower Positioning holes (82) Internal diameter is less than the internal diameter of upper location hole (81).

6. a kind of open-close type profile drawing mould according to claim 5, which is characterized in that first compact heap (71) It is concordant with the open end of upper mold core (21) with the lower end surface of the second compact heap (72), the third compact heap (73) and the 4th The upper surface of compact heap (74) is concordant with the open end of lower mold core (22).

7. a kind of open-close type profile drawing mould according to claim 6, which is characterized in that the screw (13) is Cross recess countersunk head fastening screw.

8. a kind of open-close type profile drawing mould according to claim 7, which is characterized in that the variable diameter passage (3) Inner wall is the globoidal structure of progressive distribution, is followed successively by the first arc surface (31), the second inclined-plane (32), third horizontal plane from the front to the back (33) and third inclined-plane (34), the circular arc angle of first arc surface (31) is 60-85 °, second inclined-plane (32) and water Flat angular separation is 150-165 °, and the third horizontal plane (33) is concordant with horizontal direction, the third inclined-plane (34) and level Angular separation is 210-240 °.