Metal cold drawing stretching equipment
Technical Field
The utility model relates to the technical field of metal profile processing equipment, in particular to metal cold drawing stretching equipment.
Background
Cold drawing is a processing technology of materials, and metal materials are drawn by metal cold drawing stretching equipment under the condition of normal temperature, so that the metal materials can reach a certain shape and a certain mechanical property.
The conventional metal cold drawing stretching equipment on the market is similar in structure, one end of a metal piece is clamped by a hydraulic clamp at one end of a stretching trolley, a transmission chain belt drives the stretching trolley to transversely displace, the stretching trolley drags the metal piece outwards, the metal piece is stretched and shaped along a template, and in the actual use process, certain functional defects exist, and certain improvement spaces are provided, such as in the cold drawing process, the stretched material is in a suspended state, the two ends are stressed more, downward radian is easy to appear, and the function of supporting the material to prevent downward bending is not provided; secondly, the die is troublesome to replace, the operations such as positioning and direction adjustment are needed, the steps are more, and the die is not convenient to replace; in addition, the equipment has wide occupied area and large weight, is not easy to move and displace in a factory building room, and does not have the function of being convenient to move and displace.
At present, a novel metal cold drawing stretching device is provided for solving the problems.
Disclosure of Invention
The utility model aims to provide a metal cold drawing device, which solves the problem that the prior art does not have the function of supporting materials to prevent downward bending.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal cold drawing stretching equipment, includes steel main frame, the bottom fixedly connected with support frame of steel main frame, the internally mounted of steel main frame has the circulation chain belt, one side fixedly connected with speed reducer of steel main frame front end, driving motor is installed to one side of speed reducer front end, tensile dolly has been placed to one side level at steel main frame top, the opposite side fixedly connected with fixed mould frame at steel main frame top, the inside vertical grafting in fixed mould frame top has the mould fixed plate, the intermediate position department fixedly connected with cold drawing moulding mould in mould fixed plate one side, four sets of support cylinders of bottom mounting of support frame, the front end of steel main frame is provided with lifts the material and prevents downwarping mechanism.
The lifting material downward bending prevention mechanism comprises a plurality of groups of supporting supports, the plurality of groups of supporting supports are respectively and fixedly connected to the front end of the steel main frame, the top of each supporting support is fixedly connected with an extension cylinder, the rear end of each extension cylinder is fixedly connected with a supporting shaft, and the outer part of each supporting shaft is movably connected with a rotating roller.
Preferably, the support brackets are arranged at equal intervals.
Preferably, the extension cylinder has a distance between the rear end of the support shaft and the front end of the stretching trolley in the retracted state.
Preferably, the shape and the size of the two sides of the die fixing plate are matched with the shape and the size of the inner part of the fixed die frame, and the die fixing plate can slide up and down along the inner part of the fixed die frame.
Preferably, the front end and the rear end of the cold drawing molding die are respectively fixedly connected with side sliding plates, the front end and the rear end of one side of the fixed die frame are respectively inserted with two groups of fixing bolts, and the fixing bolts penetrate through the inside of the fixed die frame and extend into the inside of the side sliding plates.
Preferably, the bottom fixedly connected with concave type frame of support cylinder, fixedly connected with internal support axle between the inside front and back both ends of concave type frame, the outside swing joint of internal support axle has two sets of rollers that support, the support cylinder is about the vertical central line symmetric distribution of steel main frame.
Compared with the prior art, the utility model has the beneficial effects that: the metal cold drawing stretching equipment not only realizes the function of supporting materials and preventing the materials from bending downwards, but also realizes the function of facilitating the replacement of the die and the transportation and displacement;
(1) When the drawing machine is used, metal materials pass through one side of a cold drawing shaping die and are clamped by a hydraulic clamp on the side of a drawing trolley, a hook on one side of the drawing trolley is placed down to buckle a circulating chain belt, a driving motor drives the circulating chain belt to continuously run, the drawing trolley synchronously displaces to draw the sectional materials, the extending cylinders on the supporting brackets extend one by one in the drawing process, the supporting shafts are sent to the lower part of the materials, the rotating rollers hold the bottom of the materials, the probability of downward bending of the materials is reduced, and the function of supporting the materials to prevent downward bending is realized;
(2) The fixing bolts on the side edges of the fixed mould frame are unscrewed, then the mould fixing plate is pulled out upwards, the side edge sliding plates on the two sides of the mould fixing plate can limit the positions of the mould fixing plate, so that the mould fixing plate is convenient to pull, insert and replace, and the function of facilitating replacement of the mould is realized;
(3) Through being provided with support cylinder, concave type frame, interior back shaft and supporting the roller, during the use, when the equipment overall arrangement in adjustment workshop is needed, if want to remove relevant equipment, support cylinder downwardly extending promotes concave type frame downward displacement, and two groups of supporting the roller on the interior back shaft support the ground and form ascending reaction force, and the both ends of equipment break away from ground promptly, and the displacement has been realized being convenient for carry the function of displacement around rotating about making things convenient for.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is an enlarged schematic side view of the support bracket of the present utility model;
FIG. 3 is a schematic diagram showing an enlarged side view of a stent frame according to the present utility model;
fig. 4 is a schematic side view of the concave frame of the present utility model.
In the figure: 1. a steel main frame; 2. a circulating chain belt; 3. a support frame; 4. a speed reducer; 5. a driving motor; 6. stretching the trolley; 7. a support bracket; 8. an extension cylinder; 9. a support shaft; 10. a rotating roller; 11. a fixed mold frame; 12. a die fixing plate; 13. cold drawing and shaping; 14. a side slide plate; 15. a fixing bolt; 16. a support cylinder; 17. a concave frame; 18. an inner support shaft; 19. and (5) abutting against the roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a metal cold drawing stretching device comprises a steel main frame 1, wherein a supporting frame 3 is fixedly connected to the bottom of the steel main frame 1, a circulating chain belt 2 is installed in the steel main frame 1, a speed reducer 4 is fixedly connected to one side of the front end of the steel main frame 1, a driving motor 5 is installed on one side of the front end of the speed reducer 4, a stretching trolley 6 is horizontally arranged on one side of the top of the steel main frame 1, a fixed mould frame 11 is fixedly connected to the other side of the top of the steel main frame 1, and a lifting material downward bending prevention mechanism is arranged at the front end of the steel main frame 1;
referring to fig. 1-4, the metal cold drawing and stretching device further comprises a lifting material downward bending prevention mechanism, wherein the lifting material downward bending prevention mechanism comprises a plurality of groups of support brackets 7, the support brackets 7 are respectively and fixedly connected to the front end of the steel main frame 1, the top of each support bracket 7 is fixedly connected with an extension cylinder 8, the rear end of each extension cylinder 8 is fixedly connected with a support shaft 9, and the outside of each support shaft 9 is movably connected with a rotary roller 10;
the support brackets 7 are arranged at equal intervals, and a distance is reserved between the rear end of the support shaft 9 and the front end of the stretching trolley 6 in the retracted state of the extension cylinder 8, so that the material can be conveniently lifted, and the bending probability is reduced;
specifically, as shown in fig. 1 and 2, the extension cylinders 8 on the support brackets 7 extend one by one, the bracket shafts 9 are sent to the lower part of the material, and the rotating rollers 10 support the bottom of the material, so that the probability of downward bending of the material is reduced.
Example 2: the inside of the top end of the fixed mould frame 11 is vertically inserted with a mould fixing plate 12, the middle position of one side of the mould fixing plate 12 is fixedly connected with a cold-drawing moulding mould 13, the shape and the size of the two sides of the mould fixing plate 12 are matched with those of the inside of the fixed mould frame 11, the mould fixing plate 12 can slide up and down along the inside of the fixed mould frame 11, the front end and the rear end of the cold-drawing moulding mould 13 are respectively fixedly connected with a side sliding plate 14, the front end and the rear end of one side of the fixed mould frame 11 are respectively inserted with two groups of fixing bolts 15, and the fixing bolts 15 penetrate through the inside of the fixed mould frame 11 and extend into the inside of the side sliding plate 14, so that the mould can be conveniently replaced, and the replacement step is simplified;
specifically, as shown in fig. 1 and 3, the fixing bolts 15 on the side of the fixed mold frame 11 are loosened, and then the mold fixing plate 12 is pulled out upward, and the side sliding plates 14 on both sides of the mold fixing plate 12 can restrict the positions thereof, thereby facilitating the insertion and replacement.
Example 3: the bottom of the supporting frame 3 is provided with four groups of supporting cylinders 16, the bottom end of the supporting cylinder 16 is fixedly connected with a concave frame 17, an inner supporting shaft 18 is fixedly connected between the front end and the rear end of the inside of the concave frame 17, two groups of supporting rollers 19 are movably connected to the outside of the inner supporting shaft 18, and the supporting cylinders 16 are symmetrically distributed about the vertical center line of the steel main frame 1, so that small-range adjustment is convenient in an indoor environment;
specifically, as shown in fig. 1 and 4, the supporting cylinder 16 extends downwards to push the concave frame 17 to displace downwards, and the two groups of supporting rollers 19 on the inner supporting shaft 18 are abutted against the ground to form upward reaction force, so that two ends of the device are separated from the ground, and the left-right rotation front-back displacement is facilitated.
Working principle: when the drawing machine is used, firstly, metal materials pass through one side of a cold drawing shaping die 13 and are clamped by hydraulic clamps on the side edge of a drawing trolley 6, a hook on one side of the drawing trolley 6 is used for downwards buckling a circulating chain belt 2, a driving motor 5 drives the circulating chain belt 2 to continuously run, the drawing trolley 6 synchronously displaces to draw a section bar, in the drawing process, an extension cylinder 8 on a support bracket 7 extends one by one, a bracket shaft 9 is sent to the lower part of the material, and a rotating roller 10 is used for supporting the bottom of the material, so that the probability of downwards bending the material is reduced. According to different processing requirements, the cold-drawing shaping die 13 can be flexibly replaced, the fixing bolts 15 on the side edges of the fixed die frame 11 are unscrewed, then the die fixing plate 12 is pulled out upwards, and the side edge sliding plates 14 on the two sides of the die fixing plate 12 can limit the positions of the die fixing plate, so that the cold-drawing shaping die is convenient to pull out, insert and replace. When the layout of the equipment in the workshop is required to be adjusted, if the related equipment is required to be moved, the supporting cylinder 16 extends downwards to push the concave frame 17 to displace downwards, and the two groups of supporting rollers 19 on the inner supporting shaft 18 are abutted against the ground to form upward reaction force, so that the two ends of the equipment are separated from the ground, and the left-right rotation and the front-back displacement are facilitated.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.