CN101879575B - Semi-finished product molding technology of furniture connecting rod and special molding device thereof - Google Patents
Semi-finished product molding technology of furniture connecting rod and special molding device thereof Download PDFInfo
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- CN101879575B CN101879575B CN2010101625736A CN201010162573A CN101879575B CN 101879575 B CN101879575 B CN 101879575B CN 2010101625736 A CN2010101625736 A CN 2010101625736A CN 201010162573 A CN201010162573 A CN 201010162573A CN 101879575 B CN101879575 B CN 101879575B
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Abstract
The invention discloses a semi-finished product molding technology of a furniture connecting rod and a special molding device thereof, in a cold header, the special semi-finished product molding device of the furniture connecting rod is utilized to carry out the following operation sequences: one end of a metal rod is stamped into a neck part with a thin diameter; then the other end of the metal rod is stamped into a connecting part with a middle diameter, so a semi-finished product is obtained, the semi-finished product comprises the neck part with the two ends having thin diameter and the connecting part having middle diameter, the middle section of the semi-finished product, which corresponds to the neck part and the connecting part, is a plastic-covered part with a large diameter, and a limit protruding ring is simultaneously stamped between the plastic-covered part and the connecting part in the stamping process; then repeated stamping is carried out on the limit protruding ring to stamp and trim again; and blanking is carried out. The invention has the advantages of high production efficiency and low production cost.
Description
Technical field
The present invention relates to a kind of furniture dismounting part with and processing equipment, be meant semi-finished product molding technology of furniture connecting rod and special molding device thereof especially.
Background technology
Connecting rod is very wide in the fit on purposes of furniture, generally is used to connect the several parts on the furniture, such as, be commonly used to connected the panel and the side plate of drawer.Existing furniture connecting rod is as shown in Figure 1; By core bar 1 ', plastic body 2 ', core bar 1 ' an end be provided with the groove 3 suitable with driver bit ', be generally cross or yi word pattern; The other end of core bar for be provided with externally threaded screw terminal 4 ', plastic body bag is attached to the bar wall outside of core bar.The technological process of the furniture connecting rod of this structure generally is; As shown in Figure 2; Earlier upset into an end and have the blank with the suitable groove of driver bit, obtain semi-finished product through turning then, again through annular knurl, bag silk, plastic operation or title finished product with cold headers; Twice processing through to blank obtains last finished product; Its turning processing waste material and cost are higher, in addition, and the half-finished isolated plant of a kind of processing connecting rod though Chinese patent ZL200710022658.2 openly knows clearly; But variation has structurally taken place compared to the antique traditional furniture connecting rod in the final products of its acquisition already; The product that obtains through this patent has been a kind of connecting rod of new profile, and traditional furniture connecting rod in the market furniture processing enterprise still need wilderness demand, therefore antique traditional furniture connecting rod as shown in Figure 1 still lacks at present and a kind ofly can not produce the special equipment that waste material production automation degree again is high, production efficiency is high.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming and defect that prior art exists, it is high that first purpose of the present invention provides a kind of production efficiency, the low semi-finished product molding technology of furniture connecting rod that need not cut of production cost.
Another object of the present invention provides the furniture connecting rod semi-finished product special molding device that a kind of production efficiency is high, production cost is low.
For realizing first purpose of the present invention, technical scheme of the present invention is, in cold headers, utilizes furniture connecting rod semi-finished product special molding device, carries out following operational sequence:
(1) end of Metallic rod is stamped out the neck of thin diameter;
(2) connecting portion of diameter in the other end of Metallic rod is gone out then; Obtain blank; This blank includes two ends and is respectively the neck of thin diameter and the connecting portion of middle diameter; The interlude of relative neck of this blank and connecting portion is large diameter plastic bag, stamps out position limiting convex ring in this step punching course between this plastic bag and the connecting portion simultaneously;
(3) and then punching press position limiting convex ring is carried out punching press deburring once more;
(4) blanking.
The present invention so is provided with; And the combination isolated plant, can produce the furniture connecting rod semi-finished product quickly and efficiently, it is follow-up then that half-finished neck cold-heading goes out the groove suitable with driver bit to furniture connecting rod; Then connecting portion is processed external screw thread with instrument lathe; Then plastic bag being carried out annular knurl, bag silk, plastic operation can complete finished product, and whole process need not cutting, and can guarantee that again its profile is consistent with traditional and extensive general furniture connecting rod.
For realizing another object of the present invention; Technical scheme of the present invention is the upper die component and following membrane module that includes punching press relatively; This upper die component constitutes neck punching press station, connecting portion punching press station, position limiting convex ring deburring station and blanking station successively with following membrane module integral body; The below of described neck punching press station, connecting portion punching press station and position limiting convex ring deburring station is provided with mould emptier; Be provided with a pair of clamping half plate that can relatively move and clamp or separate between described upper die component and the following membrane module; This a pair of clamping half plate is provided with a pair of clamping head corresponding to above-mentioned each station, and this a pair of clamping half plate is provided with cross directional stretch mechanism along the station orientation.Through this setting, in processing and forming, utilize a pair of clamping head that clamps half plate to clamp the blank of the furniture connecting rod that is positioned at each operation; Carry out punch process, and after this operation is accomplished, utilize cross directional stretch mechanism will clamp half plate and move a station along moving down the station direction; Unclamp clamping half plate then, the blank after last station processing falls to being positioned on next station automatically, and cross directional stretch mechanism automatically resets then; Make to clamp half plate return, accomplish station and switch.Overall process is full-automatic, and production efficiency is high.
Further be provided with that to be described upper die component with following membrane module include matches patrix constituting neck punching press station, connecting portion punching press station, position limiting convex ring deburring station and blanking station respectively and counterdie, No. two patrixes and No. two counterdies, No. three patrixes and No. three counterdies and No. four patrixes and No. four counterdies one by one; The mold pressing surface of a described patrix is provided with protruding jumper bar; Be disposed with plastic bag moulding hole and neck moulding hole that coaxial line connects in the described counterdie from top to bottom; And be provided with into round table-like transition part moulding hole between plastic bag moulding hole and the neck moulding hole; Setting is disposed with the connecting portion moulding hole after the aperture bullport consistent with aperture, plastic bag moulding hole and coaxial line are connected in bullport from top to bottom in described No. two patrixes; Be provided with the position limiting convex ring moulding hole that is round table-like between this connecting portion moulding hole and the bullport; Setting is disposed with the connecting portion moulding hole after the aperture bullport consistent with aperture, plastic bag moulding hole and coaxial line are connected in bullport from top to bottom in described No. three patrixes; And the length of the bullport of these No. three patrixes is a little more than the bullport of No. two patrixes; Described No. four patrixes are provided with in this blanking push rod of blanking push rod and are provided with back-moving spring; Be provided with blanking hole in described No. four counterdies, described No. two counterdies and No. three counterdies and an identical setting of counterdie.This setting; The length of the bullport of No. three patrixes a little more than the bullport of No. two patrixes can with corner angle originally inadequately the edge of clear position limiting convex ring repair clearer; Particularly, the length of the bullport of No. three patrix of needs is compared to all can (comprising 0.5mm and 3mm) between the long 0.5mm-3mm of the bullport of No. two patrixes.
Further be provided with is that described mould emptier includes corresponding to three cover thimble assembly and the thimble assembly transmission mechanisms that are arranged at a counterdie, No. two counterdies and No. three counterdie belows.
Further being provided with is that said thimble assembly includes thimble, thimble protects part and sleeve pipe; Thimble protect part coat be located at thimble outer and the two be arranged in the sleeve pipe jointly; Described thimble protects last slippage that part includes relative interlock and slippage to axial and protects piece and protect piece with following slippage; Saidly go up slippage and protect piece and following slippage and protect on the axis of piece and be provided with the thimble slip hole adaptive with the thimble slippage; And should go up slippage and protect piece and protect the piece fan-shaped flap that circumferentially is provided with a plurality of spaces of its thimble slip hole relatively, and go up slippage and protect the fan-shaped flap complementation formation up and down complete circle that a plurality of spaces of piece are protected in piece and following slippage with following slippage.Through this setting, can be so that the ejection of thimble the time, obtain slippage and protect the protection that the flap of piece is protected in piece and following slippage, prevent that it from fractureing or bend.
Further being provided with is that described thimble assembly transmission mechanism comprises dwang; Being set with on the described dwang can be with the pendulum plate of the coaxial swing of dwang; Be set with the penetrator ram that cooperates with three cover thimble assembly ejections on the described pendulum plate, also be provided with the penetrator ram back-moving spring 314 that the upper end is spacingly fixed, the lower end cooperates with the penetrator ram butt in the described sleeve pipe 313.
Further be provided with is that said a pair of clamping head corresponding to above-mentioned each station is respectively tail end and is inlaid in two and clamps the bordering in the face of half plates; And the sidewall of each clamping head is provided with the adaptive location adjusting lever; Described clamping half plate is provided with and the suitable bar-shaped trough of adaptive location adjusting lever, and is provided with the clamp back-moving spring between this clamp tail end and clamping half plate.Through this setting, can let clamping head can can't not clamp because of the change in size of connecting rod blank or cartridge clip does not get on situation take place, make this device good operation stability.
Below in conjunction with the Figure of description and the specific embodiment the present invention is done further introduction.
Description of drawings
The furniture connecting rod structural representation that Fig. 1 is traditional;
Fig. 2 antique traditional furniture connecting rod moulding flow chart;
The flow chart of Fig. 3 semi-finished product molding technology of furniture connecting rod of the present invention;
The partial structurtes exploded view of Fig. 4 furniture connecting rod semi-finished product of the present invention special molding device;
The upper die component of Fig. 5 furniture connecting rod semi-finished product of the present invention special molding device and counterdie modular construction sketch map;
The following membrane module of Fig. 6 furniture connecting rod semi-finished product of the present invention special molding device and mould emptier matching relationship sketch map;
The mould emptier STRUCTURE DECOMPOSITION figure of Fig. 7 furniture connecting rod semi-finished product of the present invention special molding device;
The cross-sectional figure of Fig. 8 specific embodiment of the invention mould emptier;
Fig. 9 specific embodiment of the invention clamping head structural representation;
Figure 10 is applied to furniture connecting rod semi-finished product special molding device of the present invention the structural representation of cold headers.
The specific embodiment
Through embodiment the present invention is carried out concrete description below; Only be used for the present invention is further specified; Can not be interpreted as the qualification to protection domain of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
Moulding process flow process of the present invention is in cold headers, utilizes furniture connecting rod semi-finished product special molding device, carries out following operational sequence:
(1) end of Metallic rod is stamped out the neck 11 of thin diameter; This neck 11 can go out the groove suitable with driver bit through follow-up cold-heading
(2) connecting portion 12 of diameter in the other end of Metallic rod is gone out then; Obtain blank; This blank includes two ends and is respectively the neck of thin diameter and the connecting portion 12 of middle diameter; The interlude of relative neck 11 of this blank and connecting portion 12 is large diameter plastic bag 13, stamps out position limiting convex ring 14 in this step punching course between this plastic bag 13 and the connecting portion 12 simultaneously:
(3) and then punching press position limiting convex ring 14 is carried out punching press deburring once more;
(4) blanking.
As shown in Figure 3, connecting portion 12 can go out external screw thread in the instrument lathe following process, then to plastic bag carry out annular knurl, bag silk, plastic operation can complete finished product.
Present embodiment; Include the upper die component 21 and following membrane module 22 of punching press relatively; The described upper die component of present embodiment 21 and following membrane module 22 include and match patrix 211 constituting neck punching press station 23, connecting portion punching press station 24, position limiting convex ring deburring station 25 and blanking station 26 respectively and counterdie 221, No. two patrixes 212 and No. two counterdies 222, No. three patrixes 213 and No. three counterdies 223 and No. four patrixes 214 and No. four counterdies 224 one by one; The mold pressing surface of a described patrix 211 is provided with protruding jumper bar 2111; Be disposed with plastic bag moulding hole 2211 and neck moulding hole 2212 that coaxial line connects in the described counterdie 221 from top to bottom; And be provided with into round table-like transition part moulding hole 2213 between plastic bag moulding hole 2211 and the neck moulding hole 2212; Settings are disposed with the connecting portion moulding hole 2122 after the aperture bullport 2121 consistent with 2211 apertures, plastic bag moulding hole and coaxial line are connected in bullport 2121 from top to bottom in described No. two patrixes 212; Be provided with the position limiting convex ring moulding hole 2123 that is round table-like between this connecting portion moulding hole 2122 and the bullport 2121; Settings are disposed with the connecting portion moulding hole 2132 after the aperture bullport 2131 consistent with 2211 apertures, plastic bag moulding hole and coaxial line are connected in bullport 2131 from top to bottom in described No. three patrixes 213; Be provided with the position limiting convex ring moulding hole 2133 that is round table-like between this connecting portion moulding hole 2132 and the bullport 2131; And the length of the bullport 2131 of these No. three patrixes 213 slightly is longer than the bullport 2121 of No. two patrixes 212; Particularly, only need the length of the bullport 2131 of No. three patrixes 213 between the bullport 2121 long 0.5mm-3mm of No. two patrixes 212, all can (comprise 0.5mm and 3mm).
Present embodiment; Described No. four patrixes 214 are provided with in blanking push rod 2141 these blanking push rods and are provided with back-moving spring 2142; Be provided with blanking hole 2241 in described No. four counterdies 224, described No. two counterdies 222 and No. three counterdies 223 and counterdie 221 identical settings.
Each mechanism of above-mentioned upper die component 21 and following membrane module 22 is provided with, and has constituted neck punching press station 23 (stamping out the neck of thin diameter), connecting portion punching press station 24 (stamping out connecting portion), position limiting convex ring deburring station 25 and blanking station 26.As for the concrete size of half-finished neck 11 of the furniture connecting rod of institute of the present invention moulding, connecting portion 12, plastic bag 13, those skilled in the art can set according to actual needs.
In addition; The below of described neck punching press station 23, connecting portion punching press station 24 and position limiting convex ring deburring station 25 is provided with mould emptier 3; Be provided with a pair of clamping half plate 41,42 that can relatively move and clamp or separate between described upper die component 21 and the following membrane module 22; This a pair of clamping half plate 41,42 is provided with a pair of clamping head 43 corresponding to above-mentioned each station, and this a pair of clamping half plate 41,42 is provided with cross directional stretch mechanism 5 along the station orientation.
In processing and forming; The a pair of clamping head 43 of each station of utilization clamping half plate 41,42 clamps the blank of the furniture connecting rod that is positioned at each operation, carries out punch process, and after this operation is accomplished; Utilize cross directional stretch mechanism 5 will clamp half plate 41,42 and move a station along moving down the station direction; Unclamp clamping half plate 41,42 then, the blank after last station processing falls to being positioned on next station automatically, and cross directional stretch mechanism 5 automatically resets then; Make to clamp half plate, 41,42 returns, accomplish station and switch.Overall process is full-automatic, and production efficiency is high.Automatically reseting of the described cross directional stretch of present embodiment mechanism 5 can utilize the back-moving spring 51 that is arranged on opposite side to carry out.
In addition; Present embodiment mould emptier 3 includes corresponding to three cover thimble assembly 31 and the thimble assembly transmission mechanisms 32 that are arranged at counterdie 221, No. two counterdies 222 and No. three counterdie 223 belows; Said thimble assembly 31 includes thimble 311, thimble protects part 312 and sleeve pipe 313; Thimble protect part 312 coat be located at thimble 311 outer and the two be arranged at jointly in the sleeve pipe 313; Described thimble protects last slippage that part 312 includes relative interlock and slippage to axial and protects piece 3121 and protect piece 3122 with following slippage, saidly go up slippage and protect piece 3121 and following slippage and protect on the axis of piece 3122 and be provided with the thimble slip hole 3123 adaptive with thimble 311 slippages, and upward the fan-shaped flap 3124 that circumferentially is provided with a plurality of spaces that piece 3122 relative its thimble slip holes 3123 are protected in piece 3121 and following slippage is protected in slippage; And last slippage protect piece 3121 and following slippage protect the fan-shaped flap 3124 of a plurality of spaces of piece 3122 can complementary up and down formation complete circle; So, can be so that thimble 311 ejections the time, obtain slippage and protect the protection that the fan-shaped flap 3124 of piece 3122 is protected in piece 3121 and following slippage; Prevent that it from fractureing or bend; Concrete, present embodiment is described to be gone up slippage to protect the fan-shaped flap 3124 that piece 3121 and following slippage protect piece 3122 is three even circle spacings to be uniformly distributed with setting, as shown in Figure 8.
In addition; The described thimble assembly of present embodiment transmission mechanism 32 comprises dwang 321; Being set with on the described dwang 321 can be with the pendulum plate 322 of dwang 321 coaxial swings; Be set with the penetrator ram 323 that cooperates with 31 ejections of three cover thimble assemblies on the described pendulum plate 322, be convenient in addition reset, also be provided with the penetrator ram back-moving spring 314 that the upper end is spacingly fixed, the lower end cooperates with the penetrator ram butt in the described sleeve pipe 313.
In addition; As shown in Figure 9; Said a pair of clamping head 43 corresponding to above-mentioned each station is respectively tail end and is inlaid in two and clamps the bordering in the face of half plates 41,42, and the sidewall of each clamping head 43 is provided with adaptive location adjusting lever 431, and described clamping half plate 41,42 is provided with the bar-shaped trough 411,421 suitable with the adaptive location adjusting lever; And this clamping head 43 tail ends and clamp half plate 41, be provided with clamp back-moving spring 432 between 42; In order to clamp cylindrical blank, the clamping area of said clamping head 43 can be arranged to semicircle or camber line shape, utilizes this setting; Can let clamping head 43 can can't not clamp because of the change in size of connecting rod blank or cartridge clip does not get on situation take place, make this device good operation stability.
Shown in figure 10; Isolated plant of the present invention is used and cold headers; Upper die component 21 is installed on the punching mechanism 61 of cold headers, and following membrane module 22 is installed on the die holder 62 of punching mechanism below, cooperates actual needs that automatic feed mechanism 63 is set simultaneously; And one cover clamping head is set in the place ahead that clamps half plate 41,42 with respect to neck punching press station 23, carry out initial feeding.Utilize the power of cold headers and combine the cam drive mode and separately for the clamping that clamps half plate 41,42; And the station of drawing mechanism 5 switches and mould emptier provides power; And corresponding fore-and-aft direction and left and right directions clamping half plate 41,42 all be provided with back-moving spring, makes things convenient for its each station to switch.
Claims (8)
1. semi-finished product molding technology of furniture connecting rod: it is characterized in that; In cold headers; Utilize furniture connecting rod semi-finished product special molding device to carry out following operational sequence; This furniture connecting rod semi-finished product special molding device includes the upper die component and following membrane module of punching press relatively; This upper die component constitutes neck punching press station, connecting portion punching press station, position limiting convex ring deburring station and blanking station successively with following membrane module integral body; The below of described neck punching press station, connecting portion punching press station and position limiting convex ring deburring station is provided with mould emptier, is provided with a pair of clamping half plate that can relatively move and clamp or separate between described upper die component and the following membrane module, and this a pair of clamping half plate is provided with a pair of clamping head corresponding to above-mentioned each station; And this a pair of clamping half plate is provided with cross directional stretch mechanism along the station orientation
(1) end of Metallic rod is stamped out the neck of thin diameter;
(2) connecting portion of diameter in the other end of Metallic rod is gone out then; Obtain blank; This blank includes two ends and is respectively the neck of thin diameter and the connecting portion of middle diameter; The interlude of relative neck of this blank and connecting portion is large diameter plastic bag, stamps out position limiting convex ring in this step punching course between this plastic bag and the connecting portion simultaneously;
(3) and then punching press position limiting convex ring is carried out punching press deburring once more;
(4) blanking.
2. furniture connecting rod semi-finished product special molding device; It is characterized in that: the upper die component and following membrane module that include punching press relatively; This upper die component constitutes neck punching press station, connecting portion punching press station, position limiting convex ring deburring station and blanking station successively with following membrane module integral body; The below of described neck punching press station, connecting portion punching press station and position limiting convex ring deburring station is provided with mould emptier; Be provided with a pair of clamping half plate that can relatively move and clamp or separate between described upper die component and the following membrane module; This a pair of clamping half plate is provided with a pair of clamping head corresponding to above-mentioned each station, and this a pair of clamping half plate is provided with cross directional stretch mechanism along the station orientation.
3. furniture connecting rod semi-finished product special molding device according to claim 2; It is characterized in that: described upper die component and following membrane module include and match patrix constituting neck punching press station, connecting portion punching press station, position limiting convex ring deburring station and blanking station respectively and counterdie, No. two patrixes and No. two counterdies, No. three patrixes and No. three counterdies and No. four patrixes and No. four counterdies one by one; The mold pressing surface of a described patrix is provided with protruding jumper bar; Be disposed with plastic bag moulding hole and neck moulding hole that coaxial line connects in the described counterdie from top to bottom; And be provided with into round table-like transition part moulding hole between plastic bag moulding hole and the neck moulding hole; Setting is disposed with the connecting portion moulding hole after the aperture bullport consistent with aperture, plastic bag moulding hole and coaxial line are connected in bullport from top to bottom in described No. two patrixes; Be provided with the position limiting convex ring moulding hole that is round table-like between this connecting portion moulding hole and the bullport; Setting is disposed with the connecting portion moulding hole after the aperture bullport consistent with aperture, plastic bag moulding hole and coaxial line are connected in bullport from top to bottom in described No. three patrixes; And the length of the bullport of these No. three patrixes slightly is longer than the bullport setting of No. two patrixes, and described No. four patrixes are provided with the blanking push rod, are provided with back-moving spring in this blanking push rod; Be provided with blanking hole in described No. four counterdies, described No. two counterdies and No. three counterdies and an identical setting of counterdie.
4. according to claim 2 or 3 described furniture connecting rod semi-finished product special molding devices, it is characterized in that: described mould emptier includes corresponding to three cover thimble assembly and the thimble assembly transmission mechanisms that are arranged at a counterdie, No. two counterdies and No. three counterdie belows.
5. furniture connecting rod semi-finished product special molding device according to claim 4; It is characterized in that: said thimble assembly includes thimble, thimble protects part and sleeve pipe; Thimble protect part coat be located at thimble outer and the two be arranged in the sleeve pipe jointly; Described thimble protects last slippage that part includes relative interlock and slippage to axial and protects piece and protect piece with following slippage; Saidly go up slippage and protect piece and following slippage and protect on the axis of piece and be provided with the thimble slip hole adaptive with the thimble slippage; And should go up slippage and protect piece and protect the piece fan-shaped flap that circumferentially is provided with a plurality of spaces of its thimble slip hole relatively, and go up slippage and protect the fan-shaped flap complementation formation up and down complete circle that a plurality of spaces of piece are protected in piece and following slippage with following slippage.
6. furniture connecting rod semi-finished product special molding device according to claim 5; It is characterized in that: described thimble assembly transmission mechanism comprises dwang; Being set with on the described dwang can be with the pendulum plate of the coaxial swing of dwang; Be set with the penetrator ram that cooperates with three cover thimble assembly ejections on the described pendulum plate, also be provided with the penetrator ram back-moving spring that the upper end is spacingly fixed, the lower end cooperates with the penetrator ram butt in the described sleeve pipe.
7. furniture connecting rod semi-finished product special molding device according to claim 4; It is characterized in that: described thimble assembly transmission mechanism comprises dwang; Be set with on the described dwang and can be set with the penetrator ram that cooperates with three cover thimble assembly ejections on the described pendulum plate with the pendulum plate of the coaxial swing of dwang.
8. according to claim 6 or 7 described furniture connecting rod semi-finished product special molding devices; It is characterized in that: said a pair of clamping head corresponding to above-mentioned each station is respectively tail end and is inlaid in bordering in the face of two clamping half plates; And the sidewall of each clamping head is provided with the adaptive location adjusting lever; Described clamping half plate is provided with and the suitable bar-shaped trough of adaptive location adjusting lever, and is provided with the clamp back-moving spring between this clamping head tail end and clamping half plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101625736A CN101879575B (en) | 2010-04-30 | 2010-04-30 | Semi-finished product molding technology of furniture connecting rod and special molding device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101625736A CN101879575B (en) | 2010-04-30 | 2010-04-30 | Semi-finished product molding technology of furniture connecting rod and special molding device thereof |
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| CN101879575A CN101879575A (en) | 2010-11-10 |
| CN101879575B true CN101879575B (en) | 2012-01-11 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201644687U (en) * | 2010-04-30 | 2010-11-24 | 浙江联通家具配件有限公司 | Special device for formation of semi-finished furniture connecting rod |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1162079B (en) * | 1978-01-31 | 1987-03-18 | Prosdocimo Luciano | PROCEDURE FOR THE PRODUCTION OF LINES OF CONNECTION BODIES, WHICH HINGES FOR WINDOWS, MADE UP OF DIFFERENT SECTION SECTIONS WITH CONTINUOUS AND UNIFORM THREADING AND HINGE OBTAINED WITH THIS PROCEDURE |
| JP3263755B2 (en) * | 1998-03-16 | 2002-03-11 | 株式会社クリアテック | Helical gear forging device and forging method |
| CN1389314A (en) * | 2002-02-21 | 2003-01-08 | 陈剑南 | Machine-tap machining process and special conic punching die |
| CN2761313Y (en) * | 2004-12-08 | 2006-03-01 | 吴万祥 | Multi-station bolt cold header |
| CN201046496Y (en) * | 2007-05-21 | 2008-04-16 | 吴建荣 | Special device for processing binding rod half-finished product for furniture |
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2010
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201644687U (en) * | 2010-04-30 | 2010-11-24 | 浙江联通家具配件有限公司 | Special device for formation of semi-finished furniture connecting rod |
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