CN202006262U - Mold for producing pull rod of elevator - Google Patents
Mold for producing pull rod of elevator Download PDFInfo
- Publication number
- CN202006262U CN202006262U CN2010206947676U CN201020694767U CN202006262U CN 202006262 U CN202006262 U CN 202006262U CN 2010206947676 U CN2010206947676 U CN 2010206947676U CN 201020694767 U CN201020694767 U CN 201020694767U CN 202006262 U CN202006262 U CN 202006262U
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- CN
- China
- Prior art keywords
- fixed
- pull bar
- counterdie
- oil cylinder
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a mold for producing a pull rod of an elevator, which comprises the following components: a lower mold seat plate, an upper mold seat plate, a lower mold, an upper mold and a pull rod. The lower mold seat plate is fixed at the lower end of the pull rod, and the upper mold seat plate is fixed at the upper end of the pull rod. The lower mold is provided with a through first storage tank. The lower mold is provided with a lower forming chamber at the middle part of the first storage tank. The upper mold is provided with a through second storage tank which corresponds wit the first storage tank. The upper mold is provided with an upper forming chamber which corresponds with the position of the lower forming chamber and is provided at the central part of the second storage tank. The lower mold is fixed on the lower mold seat plate. The upper mold seat plate is fixedly provided with a first cylinder. The upper mold is fixed on a piston rod of a first cylinder. One side of the lower mold seat plate is provided with a second cylinder. A piston rod of the second cylinder is provided with a push rod. The lower mold seat plate is provided with a baffle plate mechanism at one side that opposes the second cylinder. The mold according to the utility model can improve forming quality and production efficiency of the pull rod of elevator.
Description
Technical field
The utility model relates to the mould of producing the elevator pull bar.
Background technology
In order to make elevator easy for installation with promoting cable, prevent to get loose, improve the security of elevator operation, in the patent No. is to be to be to disclose a kind of fag end cover of wedge combination in the patent documentation of 2007.12.5 2006.5.12 Granted publication day 200620058855.0 applyings date, include fag end voussoir, fag end cover of wedge, pull bar, wherein the fag end voussoir is inserted in the end of fag end cover of wedge hollow cavity, hawser C is located on the fag end voussoir, the A end of pull bar is oblate head, and the A of pull bar end is packed in the other end of fag end cover of wedge hollow cavity by the cover of wedge pin.As guaranteeing the bonding strength of fag end cover of wedge and pull bar, the intensity of the shear resistance of cover of wedge pin and the oblate head of pull bar is vital, traditional method adopts free compression, die forging forms the head of pull bar again, the mould that free compression adopted as shown in Figure 1, comprise the die holder plate, on the die holder plate, be fixed with guide pad, side at the die holder plate is equipped with fixed head, oil cylinder is installed on the fixed head, be connected with push rod on the piston rod of oil cylinder, opposite side at the die holder plate is fixed with block, when making pull bar, stock is placed on the guide pad, then, utilize heater in end heating near baffle plate, after stock is heated to uniform temperature, start oil cylinder, the piston rod of oil cylinder drives the push rod motion, under the effect of push rod and block, near the stock of block one end by jumping-up after, carry out the head that die forging forms pull bar again, adopt the defective of the said equipment moulding pull bar to be: when the draw ratio of stock is big, in the process of freely upsetting, stock is at heating region, and unstability produces flexural deformation easily, and make the jumping-up zone produce stratification, after die forging, still can make rod head have laminated joint, directly influence the tensile strength of pull bar, reduce the workmanship of pull bar; In addition, in the free compression process, be heating on one side, Yi Bian push the pull bar blank, it is thick that thermal treatment zone distortion is increased, this process is slower, if too fast, the thermal treatment zone can produce strange change, makes the jumping-up failure.So production efficiency is lower.
Summary of the invention
The purpose of this utility model provides a kind of production elevator pull bar mould, and technical problem to be solved is to improve the Forming Quality of elevator pull bar, and enhances productivity.
For achieving the above object, a kind of mould of producing the elevator pull bar comprises counterdie seat board, upper clamping plate, counterdie, patrix and pull bar; The counterdie seat board is fixed on the lower end of pull bar, and upper clamping plate is fixed on the upper end of pull bar; Counterdie is provided with first storage tank that connects, and the middle part that is positioned at first storage tank on counterdie is provided with the compacted under chamber; Patrix is provided with second storage tank of a perforation corresponding with the first storage tank position, be provided with on the patrix corresponding with position, compacted under chamber and be positioned at second storage tank middle part on forming cavity; Counterdie is fixed on the counterdie seat board; Be fixed with first oil cylinder on the upper clamping plate, patrix is fixed on the piston rod of first oil cylinder; Side at the counterdie seat board is equipped with second oil cylinder, and the piston rod of second oil cylinder is provided with push rod; A side relative with second oil cylinder at the counterdie seat board is provided with baffle mechanism.
Utilize the process of above-mentioned mould molding elevator pull bar to be: earlier with the end heating of pull bar with stock, then, pull bar is put in the mould with stock, wherein, Jia Re a end does not withstand on the baffle mechanism, one end of heating is placed between the upper die and lower die, then, start first oil cylinder, make the piston rod drive patrix of first oil cylinder move downward the realization matched moulds, behind the matched moulds, one end of stock heating is in first storage tank and the formed accommodation space of second storage tank, then, starts second oil cylinder, the piston rod of second oil cylinder drives push rod motion extruding pull bar and uses the fire end of stock to realize the process of jumping-up, in upsetting process, because last forming cavity and the sealing of compacted under chamber have stoped pull bar to produce stratification with stock in upsetting process, the profile of distortion is well-balanced and consistent with forming cavity, after die forging, metal streamline links up, and does not have stacked connection phenomenon, has improved the tensile strength of pull bar, therefore, improved the Forming Quality of elevator pull bar.And blank can be concentrated heating before jumping-up, jumping-up, and the die forging required time is very short, and is therefore highly efficient in productivity, and the energy that consumes is also few.
As improvement, be provided with backing plate between counterdie seat board and the counterdie.Backing plate is set is convenient to install counterdie.
As specializing, described baffle mechanism comprises fixed head, loading plate and baffle plate, and fixed head is fixed on the backing plate, and an end of loading plate is fixed on the fixed head, and the other end reaches the outside of counterdie seat board, and baffle plate is fixed on the loading plate external part.Described fixed head is used for fixing loading plate, and described loading plate is convenient to place the pull bar stock, is convenient to moulding elevator pull bar, and described baffle plate is used to stop that pull bar is used stock so that the formation pull bar.
As improvement, be provided with sleeve between the second oil cylinder piston bar and the push rod with stepped hole; The macropore inwall of stepped hole is provided with screw thread, and the piston rod of second oil cylinder is provided with screw thread, and described sleeve is by on the piston rod that is threaded in second oil cylinder; Described push rod is the step axle, and the big end of push rod is located in the macropore of stepped hole, and the small end of push rod stretches out sleeve by the aperture of stepped hole.Sleeve is set is convenient to mount and dismount push rod, and when push rod has wearing and tearing or damages, be convenient to change push rod and do not need the push rod and second oil cylinder are changed together, saved maintenance cost.
Description of drawings
Fig. 1 is the mould sketch of prior art moulding pull bar.
Fig. 2 produces the die structure dwg of elevator pull bar for the utility model.
Fig. 3 is the structure chart of elevator pull bar.
Fig. 4 is the enlarged drawing of A among Fig. 2.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
The mould of production elevator pull bar as shown in Figure 2 comprises counterdie seat board 1, upper clamping plate 2, counterdie 3, patrix 4, pull bar 5, backing plate 6, first oil cylinder 7, second oil cylinder 8, push rod 9 and baffle mechanism.
Counterdie seat board 1 is fixed on the lower end of pull bar 5 by nut, and upper clamping plate 2 is fixed on the upper end of pull bar 5 by nut.Backing plate 6 is fixed on the counterdie seat board 1.First oil cylinder 7 is fixed on upper clamping plate 2 upper surfaces, and the piston rod of first oil cylinder 7 stretches out upper clamping plate 1 downwards, and described patrix 4 is fixed on the piston rod of first oil cylinder.Counterdie 3 is fixed on the backing plate 6.Counterdie 3 is provided with first storage tank 31 that connects, and the middle part that is positioned at first storage tank on counterdie is provided with compacted under chamber 32; Patrix is provided with second storage tank 41 of a perforation corresponding with the first storage tank position, be provided with on the patrix corresponding with position, compacted under chamber and be positioned at second storage tank middle part on forming cavity 42.Side at counterdie seat board 1 is fixed with installing plate 10, and second oil cylinder 8 is installed on the installing plate 10.
As shown in Figure 4, be with sleeve 11 on the piston rod of second oil cylinder 8 by being threaded with stepped hole; Described push rod 9 is the step axle, and the big end of push rod is located in the macropore of stepped hole, and the small end of push rod 9 stretches out sleeve 11 by the aperture of stepped hole.In the time will dismantling or change push rod 9, unclamp sleeve 11 and get final product, in the time will push rod being installed, tighten sleeve and get final product, therefore, be convenient to mount and dismount push rod, and when push rod has wearing and tearing or damages, be convenient to change push rod and do not need the push rod and second oil cylinder are changed together, saved maintenance cost.
As shown in Figure 2, described baffle mechanism comprises fixed head 13, loading plate 14 and baffle plate 15, and fixed head 13 is fixed on the backing plate 6, and an end of loading plate 14 is fixed on the fixed head 13, the other end reaches the outside of counterdie seat board, and baffle plate 15 is fixed on the loading plate external part.
As shown in Figure 3, the elevator pull bar is by shaft 16, constituted by the head 17 of jumping-up, and wherein the end at shaft 16 is processed with screw thread 18.
Utilize the process of above-mentioned mould molding elevator pull bar to be: earlier with the end heating of pull bar with stock 20, then, pull bar is put on the loading plate 14 with stock 20, wherein, Jia Re a end does not withstand on the baffle plate 15, one end of heating is placed between patrix 2 and the counterdie 1, then, start first oil cylinder 7, make the piston rod drive patrix 2 of first oil cylinder move downward the realization matched moulds, behind the matched moulds, an end of stock heating is in first storage tank 31 and second storage tank, the 41 formed accommodation spaces, then, the piston rod that starts second oil cylinder, 8, the second oil cylinders 8 drives push rod 9 motion extruding pull bars and uses the fire end of stock 20 to realize the process of jumping-up, in upsetting process, because last forming cavity 42 and compacted under chamber 32 can stop pull bar to occur bending and deformation with the fire end of stock, like this, laminated joint can not occur, improve the intensity of pull bar at pull bar jumping-up position, therefore, improved the Forming Quality of elevator pull bar.
Claims (4)
1. a mould of producing the elevator pull bar is characterized in that: comprise counterdie seat board, upper clamping plate, counterdie, patrix and pull bar; The counterdie seat board is fixed on the lower end of pull bar, and upper clamping plate is fixed on the upper end of pull bar; Counterdie is provided with first storage tank that connects, and the middle part that is positioned at first storage tank on counterdie is provided with the compacted under chamber; Patrix is provided with second storage tank of a perforation corresponding with the first storage tank position, be provided with on the patrix corresponding with position, compacted under chamber and be positioned at second storage tank middle part on forming cavity; Counterdie is fixed on the counterdie seat board; Be fixed with first oil cylinder on the upper clamping plate, patrix is fixed on the piston rod of first oil cylinder; Side at the counterdie seat board is equipped with second oil cylinder, and the piston rod of second oil cylinder is provided with push rod; A side relative with second oil cylinder at the counterdie seat board is provided with baffle mechanism.
2. the mould of production elevator pull bar according to claim 1 is characterized in that: be provided with backing plate between counterdie seat board and the counterdie.
3. the mould of production elevator pull bar according to claim 2, it is characterized in that: described baffle mechanism comprises fixed head, loading plate and baffle plate, fixed head is fixed on the backing plate, one end of loading plate is fixed on the fixed head, the other end reaches the outside of counterdie seat board, and baffle plate is fixed on the loading plate external part.
4. the mould of production elevator pull bar according to claim 1 is characterized in that: be provided with the sleeve with stepped hole between the second oil cylinder piston bar and the push rod; The macropore inwall of stepped hole is provided with screw thread, and the piston rod of second oil cylinder is provided with screw thread, and described sleeve is by on the piston rod that is threaded in second oil cylinder; Described push rod is the step axle, and the big end of push rod is located in the macropore of stepped hole, and the small end of push rod stretches out sleeve by the aperture of stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206947676U CN202006262U (en) | 2010-12-31 | 2010-12-31 | Mold for producing pull rod of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206947676U CN202006262U (en) | 2010-12-31 | 2010-12-31 | Mold for producing pull rod of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006262U true CN202006262U (en) | 2011-10-12 |
Family
ID=44747926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206947676U Expired - Lifetime CN202006262U (en) | 2010-12-31 | 2010-12-31 | Mold for producing pull rod of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202006262U (en) |
-
2010
- 2010-12-31 CN CN2010206947676U patent/CN202006262U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |