CN100497968C - Connection rod and production process and dedicated device for processing half-product of connection rod - Google Patents
Connection rod and production process and dedicated device for processing half-product of connection rod Download PDFInfo
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- CN100497968C CN100497968C CNB2007100226582A CN200710022658A CN100497968C CN 100497968 C CN100497968 C CN 100497968C CN B2007100226582 A CNB2007100226582 A CN B2007100226582A CN 200710022658 A CN200710022658 A CN 200710022658A CN 100497968 C CN100497968 C CN 100497968C
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- connecting rod
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Abstract
The present invention involves a connecting rod for furniture, its productive technology and the special device used for processing connecting rod half-finished product. The connecting rod includes thin rod and plastic-wrapping body, the top head surface of thin rod is equipped with flight and the screw-plug end of thin rod is processed with external screw thread, the plastic-wrapping body is wrapped on the outer surface of then thin rod wall, the thin rod wall which is wrapped with plastic-wrapping body is processed with cross hatch, the screw-plug end of thin rod is processed with multidiameter which consists of transition part and core rod, the diameter of multidiameter is reduced from outer to inner, the outer screw thread is processed on the outer wall on the core rod. Compared with the prior connecting rod, the connecting rod in the invention has small integral size and lower manufacturing cost; the production process of the invention is simplified, the efficient production is higher and the production cost is reduced; the special device of the invention uses non-cutting working, no produce waste is generated during the process, the flow production can be realized more easily and the processing efficiency is improved after the special device is used in cold heading machine.
Description
Technical field
The present invention relates to a kind of furniture dismounting part, relate in particular to half-finished isolated plant that a kind of furniture is used connecting rod with the production technology and the processing furniture of connecting rod, connecting rod.
Background technique
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, often be used to connect the panel and the side plate of drawer.As shown in Figure 1, prior connecting rod is made up of core bar and plastic body, the upper-end surface of core bar is provided with the groove suitable with driver bit, generally mostly be the merging groove of crosshead and flat head, core bar neck in the groove lower end forms tool withdrawal groove, and at the screw terminal formation outside thread of core bar, plastic body bag is attached to the bar wall outside of core bar, between tool withdrawal groove and outside thread, on the bar wall of the core bar at plastic body place, form reticulate pattern.As shown in Figure 3, the technological process of existing production connecting rod: (1) upsets into blank (as shown in Figure 2) with steel wire by cold header earlier; (2) go out tool withdrawal groove with instrument lathe in the neck turning of blank, obtain the semi-finished product of connecting rod; (3), utilize flat die roll, formation reticulate pattern and outside thread on the bar wall of blank simultaneously; (4), utilize the injection machine compression moulding, in one-time formed mould, on the bar wall of blank, promptly compression moulding forms plastic body between tool withdrawal groove and the outside thread.The core bar of this connecting rod is a continuous cylinder face, and its screw terminal diameter is identical with the diameter at reticulate pattern place, and the entire product size is bigger, and materials are big, the manufacture cost height; The 2nd step of technological process simultaneously is turning, machine away the part material, so waste of material is big, the cost height, and also because workpiece is smaller, necessary instrumentation machined into, manufacturing efficiency is not high.
Summary of the invention
The objective of the invention is at not enough defective of the prior art, provide the lower furniture of a kind of cost with connecting rod, more simplify, half-finished isolated plant of production technology that manufacturing efficiency is higher and the processing connecting rod that can reduce production costs.
For achieving the above object, the present invention adopts a kind of furniture connecting rod, connecting rod comprises thin bar and plastic body, the head end of the upper end of thin bar is provided with flight, and at the screw terminal formation outside thread of thin bar, plastic body bag is attached to the bar wall outside of thin bar, on the bar wall of the thin bar at plastic body place, form reticulate pattern, the screw terminal of thin bar forms the multidiameter shaft that is made of transition part and core bar, and the diameter ecto-entad of multidiameter shaft reduces, and outside thread is arranged on the outer wall of core bar.
The furniture production technology of connecting rod, production technology comprises following components:
1, time processing obtains the semi-finished product of connecting rod, adopts no cutting, and (1) upsets into blank with steel wire by cold header earlier; (2) in cold header, utilize isolated plant, obtain the semi-finished product of connecting rod: earlier lower half portion of blank is upset into the wedge axle and form transition part in wedge axle lower end; And then the wedge axle of blank is upset into core bar and transition part constitute multidiameter shaft.
2, secondary operations: (1) utilizes flat die roll, forms reticulate pattern and outside thread simultaneously on half-finished bar wall of connecting rod; (2) utilize the injection machine compression moulding, in one-time formed mould, compression moulding forms plastic body on half-finished bar wall of connecting rod, obtains the finished product of connecting rod.
The present invention adopts a kind of half-finished isolated plant of processing furniture with connecting rod, isolated plant comprise movably plunger mechanism and with the corresponding die in plunger mechanism position, plunger mechanism is made up of two No. 1 drift and No. 2 drifts that are arranged side by side, die has the first half shells and the second half shells of symmetry, this two and half shell intercouples or separates along corresponding coupling surface, the first half shells and the second half shell couplings form the holding cavity that holds connecting rod blank neck, fitting surface one end of holding cavity and plunger mechanism offers shrinkage pool, the shrinkage pool diameter is identical with the diameter of the transition part of connecting rod, plunger mechanism cooperates formation connecting rod former block with the die punching press, the connecting rod former block comprises once-through mechanism and post forming mechanism, offer a wedge blind hole on No. 1 drift of once-through mechanism and the die fitting surface, the core pin shaped of the connecting rod after the sectional shape of wedge blind hole and the once-through is identical; Offer a cylindricality blind hole on No. 2 drifts of post forming mechanism and the die fitting surface, the core pin shaped of the connecting rod after the sectional shape of cylindricality blind hole and the post forming is identical.
The holding cavity cross section that the present invention further is set on the die is the T type, and holding cavity is the die cavity of upper and lower perforation, and the translot of the holding cavity of T type is used to hold the head of connecting rod blank, and pod is used to hold the thin bar of connecting rod blank.
The present invention further is set to isolated plant and also includes the fixedly die holder of die, described plunger mechanism is vertical to be placed and can upper and lowerly move, wherein No. 1 drift and No. 2 drifts also can left and rightly move, die is positioned at the lower end of plunger mechanism, die is that left and right two halves vertically are arranged on the die holder, can constitute coupling along both coupling surfaces or separate to be linked.
The present invention further is set to vertically offer intake port on the die holder, and intake port is positioned at the lower end of die, is connected with holding cavity on the die.
The present invention is by providing a kind of furniture connecting rod, compare with connecting rod of the prior art, the screw terminal of core bar forms the cylinder that diameter is wanted the external diameter of big and core bar, outside thread is positioned at the outside of cylinder, like this when the bag silk, operate than being easier to, the outside thread forming, whole connecting rod size is smaller, has only the external diameter maximum of cylinder, size to blank just requires little like this, saved material, processed such connecting rod simultaneously, production technology is when time processing, what adopt is no cutting, utilize upper half part of cold header jumping-up blank, obtain the semi-finished product of connecting rod, no waste of material, and be fit to produce in enormous quantities, manufacturing efficiency is very high.Isolated plant then is a working principle of utilizing cold header, rely on plunger mechanism to cooperate the former block that constitutes connecting rod with the punching press of die, the connecting rod former block comprises once-through mechanism and post forming mechanism, offer a wedge blind hole on No. 1 drift of once-through mechanism and the die fitting surface, the core pin shaped of the connecting rod after the sectional shape of wedge blind hole and the once-through is identical; Offer a cylindricality blind hole on No. 2 drifts of post forming mechanism and the die fitting surface, the core pin shaped of the connecting rod after the sectional shape of cylindricality blind hole and the post forming is identical.The connecting rod blank is put into isolated plant, punching press by first and second former block, obtain the semi-finished product of connecting rod, because what isolated plant adopted is no cutting, can not produce waste material in the course of working, and isolated plant is applied on the cold header, realize streamlined production easily, improve work efficiency.
Description of drawings
Fig. 1 is a background technique connecting rod External view.
Fig. 2 is a background technique blank External view.
Fig. 3 is background technique connecting rod flow figure.
Fig. 4 is an embodiment of the invention connecting rod finished product appearing diagram.
Fig. 5 is an embodiment of the invention connecting rod blank External view.
Fig. 6 is embodiment of the invention connecting rod flow figure.
Fig. 7 is that embodiment of the invention die cooperates External view with die holder.
Fig. 8 is the left and right two halves coupled structure of an embodiment of the invention die schematic representation.
Fig. 9 is the left and right two halves separation structure of an embodiment of the invention die schematic representation.
Figure 10 is the half module structural representation of embodiment of the invention die.
Figure 11 is No. 1 punch structure schematic representation of the embodiment of the invention.
Figure 12 is No. 2 punch structure schematic representation of the embodiment of the invention.
Figure 13 is No. 1 drift of the embodiment of the invention and die cooperating structure schematic representation.
Figure 14 is No. 2 drifts of the embodiment of the invention and die cooperating structure schematic representation.
Figure 15 is applied to the cold header schematic representation for the embodiment of the invention.
Figure 16 is an embodiment of the invention processed product schematic flow sheet.
Embodiment
As shown in Figure 4, the specific embodiment of the invention is a kind of furniture connecting rod, connecting rod comprises thin bar 52 and plastic body 7, head 51 end faces of the upper end of thin bar 52 are provided with flight, screw terminal 6 at thin bar 52 forms outside thread, plastic body 7 bags are attached to the bar wall outside of thin bar 52, on the bar wall of the thin bar 52 at plastic body 7 places, form reticulate pattern 8, the screw terminal 6 of thin bar 52 forms the multidiameter shaft that is made of transition part 54 and core bar 53, the diameter ecto-entad of multidiameter shaft reduces, and outside thread 9 is arranged on the outer wall of core bar 53.
As shown in Figure 6, a kind of furniture is with the production technology of connecting rod: production technology comprises following components:
1, time processing obtains the semi-finished product of connecting rod, adopts no cutting, and (1) upsets into blank 5 (as Fig. 5) with steel wire by cold header earlier; (2) in cold header, utilize isolated plant, obtain the semi-finished product of connecting rod: earlier lower half portion of blank 5 is upset into the wedge axle and form transition part 54 in wedge axle lower end; And then the wedge axle of blank 5 is upset into core bar 53 constitute multidiameter shafts with transition part 54.
2, secondary operations: (1) utilizes flat die roll, forms reticulate pattern 8 and outside thread 9 simultaneously on half-finished bar wall of connecting rod; (2) utilize the injection machine compression moulding, in one-time formed mould, compression moulding forms plastic body 7 on half-finished bar wall of connecting rod, obtains the finished product of connecting rod.
Adopt the production technology in the foregoing invention, the axial length of blank is greater than finished product, and the diameter of blank is less than the diameter of the core bar 5 of finished product, behind the cold header jumping-up, with blank 5 fore-end extrusion-deformations, core bar 5 shapes that acquisition is wanted realize no cutting.In actual production, from cost of production and consideration convenient for production, blank 5 that can the outsourcing connecting rod, the secondary operations of taking away then.
Processing furniture with the specific embodiment of half-finished isolated plant of connecting rod is, isolated plant comprises and can go up, down the plunger mechanism that moves and with the corresponding die 1 in plunger mechanism position and the fixing die holder 4 of die 1, as Figure 11, shown in 12, plunger mechanism by two be arranged side by side and can a left side, No. 1 drift 2 and No. 2 drifts 3 of moving right are formed, as Fig. 7,8,9, shown in 10, die 1 has the first half shells 11 and the second half shells 12 of symmetry, these two left sides, right half shell intercouples or separates along corresponding coupling surface, the first half shells 11 and the second half shell 12 couplings form the holding cavity 13 that holds connecting rod blank 5 first halves, holding cavity 13 cross sections are the T type, holding cavity 13 is last, the die cavity of following perforation, the translot 131 of the holding cavity 13 of T type is used to hold the head 51 of connecting rod blank 5, pod 132 is used to hold the thin bar 52 of connecting rod blank 5, holding cavity 13 offers shrinkage pool 14 with fitting surface one end of plunger mechanism, shrinkage pool 14 diameters are identical with the diameter of the transition part 54 of connecting rod, plunger mechanism cooperates formation connecting rod former block with die 1 punching press, the connecting rod former block comprises once-through mechanism and post forming mechanism, offer a wedge blind hole 21 on No. 1 drift 2 of once-through mechanism and die 1 fitting surface, core bar 53 shapes of the connecting rod after the sectional shape of wedge blind hole 21 and the once-through are identical; Offer a cylindricality blind hole 31 on No. 2 drifts 3 of post forming mechanism and die 1 fitting surface, core bar 53 shapes of the connecting rod after the sectional shape of cylindricality blind hole 31 and the post forming are identical, vertically offer intake port 41 on the die holder 4, intake port 41 is positioned at the lower end of die 1, is connected with holding cavity 13 on the die 1.
As shown in figure 15, above-mentioned isolated plant is applied on the cold header, promptly adopts the mode of punching press to process the semi-finished product of furniture with connecting rod 5.Plunger mechanism is installed the punching mechanism below of cold header, die 1 is positioned on the die holder 4 of plunger mechanism below, cooperate concrete PRODUCTION STATUS simultaneously, automatic feed mechanism is installed on the cold header, feeding mechanism also comprises goes into post rod mechanism in the holding cavity 13 of die 1 with connecting rod blank 5 by 41 pines of the intake port on the die holder 4, cutting agency also is set on the die holder 4 simultaneously and the left and right two halves of die 1 coupling surface along both is constituted coupling or separates the locking mechanism that is linked.
As shown in figure 16, the semi-finished product of processing connecting rod on isolated plant, need one, 2 twice shaping operation, connecting rod blank 5 pines were gone in the holding cavity 13 of die 1 with feeding mechanism before this, the first half of connecting rod blank 5 is fixed on the left side of die 1, in the holding cavity 13 that right two halves coupling back forms, the translot 131 of the holding cavity 13 of T type is used to hold the head 51 of connecting rod blank 5, pod 132 is used to hold the thin bar 52 of connecting rod blank 5, the Lower Half of connecting rod blank 5 is exposed die 1, just in time be positioned at the below of No. 1 drift 2, begin once-through then, promptly No. 1 drift 2 presses down, and presses the Lower Half of connecting rod blank 5 short and forms the wedge axle and form transition part in wedge axle lower end; Then No. 1 drift 2 is removed, No. 2 drifts 3 move on to the top of connecting rod blank 5, continue post forming, the Lower Half of connecting rod blank 5 is pressed weak point once more, the wedge axial compression is become columniform core bar 53 parts, and core bar 53 parts and transition part constitute continuous multidiameter shaft, separate by the left and right two halves of locking device with die 1 then, the blanking apparatus action, blanking obtains the semi-finished product of connecting rod.
Claims (5)
1, a kind of production technology that is used to produce furniture usefulness connecting rod, described connecting rod comprises thin bar (52) and plastic body (7), head (51) end face of the upper end of thin bar (52) is provided with flight, screw terminal (6) at thin bar (52) forms outside thread, plastic body (7) bag is attached to the bar wall outside of thin bar (52), on the bar wall of the thin bar (52) at plastic body (7) place, form reticulate pattern (8), it is characterized in that: the screw terminal (6) of thin bar (52) forms the multidiameter shaft that is made of transition part (54) and core bar (53), the diameter ecto-entad of multidiameter shaft reduces, outside thread (9) is arranged on the outer wall of core bar (53), produces above-mentioned connecting rod technology and comprises following components:
A1, elder generation upset into blank (5) with steel wire by cold header;
A2, in cold header, utilize isolated plant, obtain the semi-finished product of connecting rod: earlier lower half portion of blank (5) is upset into the wedge axle and form transition part (54) in wedge axle upper end; And then the wedge axle of blank (5) upset into core bar (53), described core bar (53) constitutes multidiameter shaft with transition part (54);
A3, utilize flat die roll, on half-finished bar wall of connecting rod, form reticulate pattern (8), on the outer wall of core bar (53), form outside thread (9) simultaneously;
A4, utilize the injection machine compression moulding, in one-time formed mould, compression moulding forms plastic body (7) on half-finished bar wall of connecting rod, obtains the finished product of connecting rod.
2, a kind of furniture of processing in the above-mentioned production technology half-finished isolated plant of connecting rod, it is characterized in that: isolated plant comprise movably plunger mechanism and with the corresponding die in plunger mechanism position (1), plunger mechanism is made up of two No. 1 drifts (2) that are arranged side by side and No. 2 drifts (3), die (1) has the first half shells (11) and the second half shells (12) of symmetry, this two and half shell intercouples or separates along corresponding coupling surface, the first half shells (11) and the second half shell (12) couplings form the holding cavity (13) that holds the connecting rod blank first half, holding cavity (13) offers shrinkage pool (14) with fitting surface one end of plunger mechanism, shrinkage pool (14) diameter is identical with the diameter of the transition part of connecting rod, plunger mechanism cooperates formation connecting rod former block with die (1) punching press, the connecting rod former block comprises once-through mechanism and post forming mechanism, No. 1 drift (2) of once-through mechanism with die (1) fitting surface on offer a wedge blind hole (21), the core pin shaped of the connecting rod after the sectional shape of wedge blind hole (21) and the once-through is identical; No. 2 drifts (3) of post forming mechanism with die (1) fitting surface on offer a cylindricality blind hole (31), the core pin shaped of the connecting rod after the sectional shape of cylindricality blind hole (31) and the post forming is identical.
3, processing furniture according to claim 2 half-finished isolated plant of connecting rod, it is characterized in that: holding cavity (13) cross section on the described die (1) is the T type, holding cavity (13) is the die cavity of upper and lower perforation, the translot (131) of the holding cavity of T type (13) is used to hold the head of connecting rod blank, and pod (132) is used to hold the thin bar of connecting rod blank.
4, according to claim 2 or 3 described processing furniture half-finished isolated plant with connecting rods, it is characterized in that: described isolated plant also includes the fixedly die holder (4) of die (1), described plunger mechanism is vertical to be placed and can upper and lowerly move, wherein No. 1 drift (2) and No. 2 drifts (3) also can left and rightly move, die (1) is positioned at the lower end of plunger mechanism, die (1) vertically is arranged on the die holder (4) for left and right two halves, can constitute coupling along both coupling surfaces or separate to be linked.
5, processing furniture according to claim 4 half-finished isolated plant of connecting rod, it is characterized in that: vertically offer intake port (41) on the described die holder (4), intake port (41) is positioned at the lower end of die (1), is connected with holding cavity (13) on the die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100226582A CN100497968C (en) | 2007-05-21 | 2007-05-21 | Connection rod and production process and dedicated device for processing half-product of connection rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100226582A CN100497968C (en) | 2007-05-21 | 2007-05-21 | Connection rod and production process and dedicated device for processing half-product of connection rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101059143A CN101059143A (en) | 2007-10-24 |
| CN100497968C true CN100497968C (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100226582A Expired - Fee Related CN100497968C (en) | 2007-05-21 | 2007-05-21 | Connection rod and production process and dedicated device for processing half-product of connection rod |
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| Country | Link |
|---|---|
| CN (1) | CN100497968C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486123B (en) * | 2013-09-30 | 2015-07-15 | 福建九鼎建设集团有限公司 | Locking positioning mechanism |
| CN106553028B (en) * | 2015-09-24 | 2018-11-27 | 超捷紧固系统(上海)股份有限公司 | The manufacturing method of vehicle turbine pressurization wear-resisting type kinematic link component |
| CN114776681B (en) * | 2021-01-22 | 2024-03-22 | 宾科精密部件(中国)有限公司 | Riveting method and riveting structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173876Y (en) * | 1993-09-17 | 1994-08-10 | 贾新立 | Tool type wall bolt |
| CN2711442Y (en) * | 2004-05-31 | 2005-07-20 | 钟俊飞 | Connection screw bolt for furniture connector |
| CN2761314Y (en) * | 2004-12-08 | 2006-03-01 | 吴万祥 | Multi-station belt cold holder |
| CN201046496Y (en) * | 2007-05-21 | 2008-04-16 | 吴建荣 | Special device for processing binding rod half-finished product for furniture |
-
2007
- 2007-05-21 CN CNB2007100226582A patent/CN100497968C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173876Y (en) * | 1993-09-17 | 1994-08-10 | 贾新立 | Tool type wall bolt |
| CN2711442Y (en) * | 2004-05-31 | 2005-07-20 | 钟俊飞 | Connection screw bolt for furniture connector |
| CN2761314Y (en) * | 2004-12-08 | 2006-03-01 | 吴万祥 | Multi-station belt cold holder |
| CN201046496Y (en) * | 2007-05-21 | 2008-04-16 | 吴建荣 | Special device for processing binding rod half-finished product for furniture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101059143A (en) | 2007-10-24 |
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