CN120055232A - Production equipment and production process for outer tube of damping part for automobile chassis - Google Patents
Production equipment and production process for outer tube of damping part for automobile chassis Download PDFInfo
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- CN120055232A CN120055232A CN202510525368.8A CN202510525368A CN120055232A CN 120055232 A CN120055232 A CN 120055232A CN 202510525368 A CN202510525368 A CN 202510525368A CN 120055232 A CN120055232 A CN 120055232A
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- outer tube
- rod
- mold
- shock
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明涉及汽车零件加工技术领域，尤其涉及一种汽车底盘用减震部件外管生产设备及生产工艺。一种汽车底盘用减震部件外管生产设备，包括安装板、导向杆、推动块、凹型模具、气缸、凸型模具和冷却组件，安装板两侧均对称设有导向杆，导向杆间滑动连接有推动块，推动块上对称滑动连接有凸型模具。通过复位弹簧、齿条与齿轮等的协同运作，使凸型模具在脱模时能够转动并向外弹出，有效确保与外管成品顺利脱模；同时，第一气泵、锥形杆辅助外管成品从凹槽脱模，第二气泵配合凸型模具弹出以清除粘连的外管成品，多种方式共同作用，极大提升脱模效率与成功率，方便操作人员后续处理。
The present invention relates to the technical field of automobile parts processing, and in particular to an outer tube production equipment and production process for shock-absorbing components for automobile chassis. An outer tube production equipment for shock-absorbing components for automobile chassis, including a mounting plate, a guide rod, a push block, a concave mold, a cylinder, a convex mold and a cooling assembly, guide rods are symmetrically arranged on both sides of the mounting plate, push blocks are slidably connected between the guide rods, and convex molds are symmetrically slidably connected on the push blocks. Through the coordinated operation of the reset spring, rack and gear, etc., the convex mold can rotate and pop outward during demoulding, effectively ensuring smooth demoulding with the outer tube finished product; at the same time, the first air pump and the conical rod assist the outer tube finished product to be demoulded from the groove, and the second air pump cooperates with the convex mold to pop out to remove the sticky outer tube finished product. The combined effect of multiple methods greatly improves the demoulding efficiency and success rate, and facilitates the subsequent processing of the operator.
Description
Technical Field
The invention relates to the technical field of automobile part machining, in particular to production equipment and production technology of an outer tube of a damping part for an automobile chassis.
Background
In the field of automotive industry, the performance of an automotive chassis directly affects the safety, comfort and handling of the whole vehicle. The damping component is used as a key component of the chassis of the automobile, and the quality and the performance of the damping component play a critical role in the damping effect of the chassis. Wherein, the production quality and the efficiency of damping member outer tube is the basis of guaranteeing damping member performance.
Taking the production of an outer tube of a common metal shock-absorbing part as an example, a demoulding link has a plurality of problems in the process of forming by adopting a casting process. In practical application, the production efficiency and the product quality are seriously affected by unreasonable demoulding mode of the traditional production equipment for the outer tube of the damping part for the automobile chassis. Traditional outer tube production facility adopts comparatively simple structural design when the drawing of patterns more. The mode not only consumes a large amount of manpower and time by only relying on manual separation mould and fashioned outer tube of part equipment, and in manual operation in-process extremely easily causes defects such as surface of outer tube appearance mar, deformation, seriously influences product quality because of the operation is improper moreover.
Some devices in the prior art use a mechanical demolding mode, but the structure is relatively single. The outer tube is usually demolded by pulling the mold in a straight line, however, a large adhesive force is generated between the outer tube and the mold in the molding process, the adhesive force is difficult to overcome by a simple straight line demolding mode, the adhesion condition of the outer tube and the mold often occurs, the demolding is difficult, and even the adhesion part needs to be subjected to secondary treatment, so that the production efficiency is definitely further reduced, and the production cost is increased.
Disclosure of Invention
In order to overcome the defects, the invention provides production equipment and production process of an outer tube of a damping part for an automobile chassis.
The technical scheme is that the production equipment for the outer tube of the shock absorbing component for the automobile chassis comprises a mounting plate, guide rods, pushing blocks, concave molds, air cylinders, convex molds and cooling components, wherein the guide rods are symmetrically arranged on two sides of the mounting plate, the pushing blocks are connected between the guide rods in a sliding mode, the convex molds are symmetrically connected to the pushing blocks in a sliding mode, the right sides of the convex molds are cylinders, the left ends of the convex molds are struts, the left ends of the convex molds are integrally formed, the concave molds are arranged between the right ends of the guide rods, grooves matched with the convex molds are formed in the two sides of the inner part of the concave molds, the air cylinders are arranged on the left sides of the mounting plate, the air cylinders are connected with the pushing blocks, the cooling components are arranged on the convex molds, the sleeve rods are rotatably connected to the outer sides of the struts of the convex molds, the driving components are arranged between the pushing blocks and the sleeve rods, the supporting rings are symmetrically arranged on the pushing blocks, annular sleeves are arranged on the outer sides of the supporting rings, the outer sides of the convex molds are sleeved with the reset springs, and two ends of the reset springs are respectively connected with the annular sleeves and the sleeve rods.
Further, the drive assembly includes guide rail, rack, gear and articulated rod, is connected with the guide rail on the left side wall in the promotion piece, and loop bar and guide rail sliding connection have the rack on the guide rail, and the last rotation of support ring is connected with the gear with rack engagement, and the gear passes through the spline to be connected with the branch of protruding mould, rotates between loop bar lower extreme and the corresponding rack and is connected with articulated rod.
Further, the cooling assembly comprises a liquid inlet valve and a liquid outlet valve, the upper side and the lower side of the left end of the convex mold are respectively connected with the liquid inlet valve and the liquid outlet valve, the liquid inlet valve is located above, the liquid outlet valve is located below, a spiral cavity is formed in the convex mold, two ends of the spiral cavity are respectively a liquid inlet end and a liquid outlet end, the liquid inlet end is communicated with the liquid inlet valve, and the liquid outlet end is communicated with the liquid outlet valve.
Further, still include ejector pin, press from both sides tight piece, buffer spring and clamp spring, the equal symmetry sliding connection of upper and lower both sides has the ejector pin in the promotion piece, and the right-hand member face of ejector pin is the slant structure, and is connected with buffer spring between ejector pin and the promotion piece inside, all be equipped with sliding connection's clamp block with ejector pin position alignment department on the concave mould left surface, every two clamp blocks are located the upper and lower side of recess respectively, are connected with clamp spring between clamp block and the concave mould to clamp block's middle part is provided with the inclined plane, the inclined plane is mutually supported with the slant structure of ejector pin.
Further, still include barrel, first air pump, taper rod and extension spring, concave mould right flank symmetry is connected with the barrel, and the sliding connection has the taper rod in the barrel, and two taper rods run through two recesses of concave mould respectively, are connected with extension spring between taper rod and the barrel inside, and first air pump is installed in the barrel outside.
Further, the device also comprises a second air pump, wherein the second air pumps are respectively arranged on the front side wall and the rear side wall of the pushing block, an air inlet channel is formed in the left side of the pushing block, the two second air pumps are communicated with the air inlet channel, and a cavity between the pushing block and the concave die is communicated with the air inlet channel.
Further, still include supporting shoe, the slide rail, the shock attenuation area, tension spring, sloping and pulley, mounting panel lower part right side symmetry is connected with the supporting shoe, also be connected with the supporting shoe on concave mould lower part both sides wall, all be provided with sliding connection's slide rail on each supporting shoe, four slide rail lower extreme are connected with the shock attenuation area jointly, be connected with tension spring between two slide rail upper ends on left side and the mounting panel, also be connected with tension spring between two slide rail upper ends on right side and the concave mould, shock attenuation area top symmetry is connected with the sloping, the symmetrical rotation of pushing block downside is connected with the pulley, pulley and sloping form contact cooperation relation.
Further, the shock absorbing belt is in a tilting state with low left and high right.
Further, the die further comprises positioning rods, the four corners of the left side wall of the concave die are respectively connected with the positioning rods, positioning grooves are respectively formed in the right side wall of the pushing block in one-to-one correspondence with the positions of the positioning rods, and the positioning rods are in splicing fit with the positioning grooves.
The production process of the outer tube of the shock absorption part for the automobile chassis utilizes the production equipment of the outer tube of the shock absorption part for the automobile chassis, and comprises the following steps of:
S1, after the pressure injection mechanism is ensured to be connected with the concave die, connecting a liquid inlet valve and a liquid outlet valve to a cooling liquid pipe, starting the cooling mechanism, injecting cooling liquid into a spiral cavity from the liquid inlet valve, and then flowing out from the liquid outlet valve to return to the cooling mechanism to form circulation;
s2, starting an air cylinder, driving a pushing block to move, enabling the convex die to move rightwards to be in butt joint with the concave die, and enabling the rack to be converted into rotation of the convex die through gear rotation;
s3, after the pushing block completely wraps the convex mold, the injection mechanism injects molten metal into a cavity between the two molds, and simultaneously supplies cooling liquid to the spiral cavity to help the outer pipe part to be rapidly cooled and molded;
S4, after forming, the cylinder drives the assembly to move left for resetting, the convex die is outwards ejected under the action of the reset spring, and reverse rotation is realized by the interaction of the rack and the gear, so that preliminary demoulding is completed;
s5, in the demolding stage, the first air pump and the second air pump are started, the second air pump charges air to the air inlet channel, air enters a cavity between the pushing block and the concave die, the outer tube finished product is pushed out by matching with the ejecting action of the convex die, the first air pump pumps air into the cylinder, the air is guided to be discharged along the edge of the groove, and the finished product is helped to be separated from the groove;
s6, the demoulded outer tube finished product falls on the damping belt, is buffered by the tension spring and slides down along the inclined plane, and the collection work is completed.
The outer tube demoulding device has the advantages that 1, the convex mould can rotate and pop out outwards during demoulding through the cooperative operation of the reset spring, the rack, the gear and the like, smooth demoulding of the outer tube finished product is effectively ensured, meanwhile, the first air pump and the conical rod assist in demoulding of the outer tube finished product from the groove, the second air pump cooperates with the convex mould to pop out the adhered outer tube finished product, the multiple modes cooperate, demoulding efficiency and success rate are greatly improved, and subsequent processing of operators is facilitated.
2. Through the accurate removal of cylinder drive pushing block and protruding mould, the recess design of cooperation concave mould can accomplish the construction of die cavity fast to with the help of pressing penetrating equipment with molten metal or alloy liquid high efficiency injection, realize the quick shaping of outer tube, improve production efficiency by a wide margin.
3. The spiral cavity and cooling liquid circulation flow structure of the cooling assembly can continuously cool the outer pipe part in the forming process, so that the forming quality of the outer pipe is ensured, and the product performance and stability are improved.
4. The buffer structure that supporting shoe, slide rail, shock attenuation area and tension spring are constituteed can effectively cushion the impact force when outer tube finished product drops, avoids the product to drop impaired because of dropping, guarantees product quality.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the guide rod, the pushing block, the concave die and other parts according to the present invention.
FIG. 3 is a schematic cross-sectional view of the spiral chamber, inlet valve and outlet valve of the present invention.
Fig. 4 is a schematic perspective sectional view of the parts such as the loop bar, the guide rail and the rack.
Fig. 5 is a schematic sectional view of the planar structure of the rack, hinge rod, return spring, etc. of the present invention.
Fig. 6 is a schematic perspective view of the rack, support ring and gear components of the present invention.
Fig. 7 is a schematic perspective view of the ejector rod, the clamping block, the pushing block and other components of the invention.
FIG. 8 is a schematic perspective view of the clamping block, buffer spring and female mold of the present invention.
Fig. 9 is a schematic perspective view of the clamping block, ramp and clamping spring assembly of the present invention.
FIG. 10 is a schematic sectional view showing the planar structure of the cylinder, the first air pump, the tapered rod and other parts of the present invention.
Fig. 11 is a schematic perspective view of the first air pump, the tapered rod, the tension spring and other components of the present invention.
Fig. 12 is a schematic perspective view of the tension spring, the inclined frame, the pulley and other components of the invention.
Fig. 13 is a schematic perspective view of the support block, the slide rail, the tension spring and other components of the present invention.
In the figure, the names and the numbers of the parts are 1, a mounting plate, 101, a guide rod, 102, a pushing block, 103, a concave mold, 104, an air cylinder, 105, a convex mold, 106, a spiral chamber, 107, a liquid inlet valve, 108, a liquid outlet valve, 109, an outer tube finished product, 201, a loop bar, 202, a guide rail, 203, a rack, 204, a support ring, 205, a gear, 206, a hinging rod, 207, a reset spring, 301, a push rod, 302, a clamping block, 303, a buffer spring, 304, an inclined plane, 305, a clamping spring, 401, a cylinder body, 402, a first air pump, 403, a conical rod, 404, a tension spring, 501, a second air pump, 502, an air inlet channel, 601, a support block, 602, a slide rail, 603, a shock absorption belt, 604, a tension spring, 605, a bevel frame, 606, a pulley, 7 and a positioning rod.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
Example 1: 1-6, including mounting plate 1, guide bar 101, push block 102, concave mould 103, cylinder 104, convex mould 105, loop bar 201, guide rail 202, rack 203, support ring 204, gear 205, hinge bar 206, return spring 207 and cooling component, the front and back sides of mounting plate 1 are symmetrically connected with guide bar 101, push block 102 is connected between four guide bars 101 in sliding mode, push block 102 is connected with convex mould 105 in sliding mode, right side part of convex mould 105 is cylinder, left end of cylinder is connected with support bar, both of them form an integral structure, concave mould 103 is connected between right ends of four guide bars 101, concave mould 103 is equipped with grooves on front and back sides, the grooves are matched with cylinder of convex mould 105, after both are connected, the grooves and the grooves are forming space of outer tube 109, the surface treatment of grooves of concave mould 103 adopts low friction coefficient material or process, so as to reduce friction coefficient between grooves 109 and grooves, can also be connected with cylinder 102 through connecting port of cylinder 102, surface of piston mould 105 is not connected with cylinder 102, hardness of the surface of outer tube 105 is increased, hardness of the surface of outer tube is increased, can be connected with the surface of cylinder 102 is increased, the surface of the inner mould 105 is not connected with the connecting port of cylinder 102, hardness of the inner mould is increased, the surface of the inner mould is connected with the cylinder 102, the surface of the inner mould 105, hardness of the inner mould is increased, the surface of the end of the outer tube is connected with the cylinder, after the end of the inner mould is connected with the cylinder, after the end of the end is connected with the inner mould, the end of the outer mould is coated with the end of the outer mould, and the end of the outer mould has a finished product 109, the support rod outer sides of the convex mold 105 are rotationally connected with a loop bar 201, the left side wall in the pushing block 102 is connected with a guide rail 202, the loop bar 201 is in sliding connection with the guide rail 202, the guide rail 202 is longitudinally and symmetrically connected with a rack 203 in sliding connection, a support ring 204 is welded on the pushing block 102 and is located above the guide rail 202 in a front-back symmetrical mode, a gear 205 meshed with the rack 203 is rotationally connected on the support ring 204, the gear 205 is in spline connection with the support rod of the convex mold 105, the gear 205 can be driven to rotate by rotation of the gear 205, the movement of the convex mold 105 does not affect the gear 205, the lower ends of the loop bars 201 are respectively rotationally connected with a hinging rod 206, the right ends of the hinging rods 206 are respectively in rotational connection with the corresponding racks 203, a ring sleeve is sleeved on the outer side of the support ring 204, the ring sleeve is located on the outer side of the support rod of the convex mold 105, the outer side of the support rod of the convex mold 105 is sleeved with a reset spring 207, the left end and the right end of the reset spring 207 is respectively connected with the ring sleeve and the loop bar 201, and is used for providing reset force for the convex mold 105, and the convex mold 105 is provided with a cooling component.
As shown in fig. 3, the cooling assembly includes a liquid inlet valve 107 and a liquid outlet valve 108, the upper and lower sides of the left end of the convex mold 105 are respectively connected with the liquid inlet valve 107 and the liquid outlet valve 108, the liquid inlet valve 107 is located above, the liquid outlet valve 108 is located below, a spiral chamber 106 is formed inside the convex mold 105, two ends of the spiral chamber 106 are respectively a liquid inlet end and a liquid outlet end, the liquid inlet end is communicated with the liquid inlet valve 107, and the liquid outlet end is communicated with the liquid outlet valve 108 to form a circulating flow structure of one inlet and one outlet.
When the outer tube is produced and molded, the injection mechanism is firstly connected with the concave mold 103 through a connecting port, then the liquid inlet valve 107 and the liquid outlet valve 108 are connected to a cooling liquid pipeline of the cooling mechanism, cooling liquid is injected into the spiral cavity 106 through the cooling mechanism by the cooling liquid pipeline and the liquid inlet valve 107, after flowing in the spiral cavity 106, the cooling liquid flows back to the liquid outlet valve 108 from the other end, is discharged into the cooling mechanism through the liquid outlet valve 108 to be cooled, so that the circulation flow of the cooling liquid is realized, after the preparation work is finished, the cylinder 104 is started, the telescopic rod of the cylinder 104 stretches out, and the pushing block 102 and the convex mold 105 are driven to move rightward along the guide rod 101. In this process, the male mold 105 is gradually aligned with the groove of the female mold 103, and then inserted into the groove, when the male mold 105 is completely abutted against the groove, the male mold 105 cannot continue to move, and the telescopic rod of the cylinder 104 continues to extend, so as to drive the pushing block 102 to continue to move to the right, at this time, the supporting ring 204, the gear 205, the guide rail 202, the rack 203 and other components also move to the right, the return spring 207 is stretched, the movement of the rack 203 drives the hinge rod 206 to rotate, and the hinge rod 206 cannot move, so that the rack 203 itself moves to the outside, and then the rack 203 drives the gear 205 to rotate. Since the gear 205 is in spline connection with the strut of the female die 103, the gear 205 can drive the male die 105 to rotate. After the push block 102 is completely sleeved outside the male die 105, molten metal or alloy is injected into the cavity between the groove and the male die 105 and the push block 102 at high pressure and high speed by the injection mechanism, thereby forming an outer tube part. In the whole forming process, cooling liquid is continuously injected into the spiral cavity 106, the outer pipe part is cooled and formed, after the outer pipe is formed, the air cylinder 104 is controlled to reversely operate, the telescopic rod of the air cylinder 104 is shortened, and the pushing block 102 and the convex die 105 are driven to move leftwards and reset. After the convex mold 105 is separated from the groove by a certain distance, the return spring 207 is rebounded and returned, so that the convex mold 105 is ejected to the right on the basis of the push block 102. Under the reverse rotation action of the hinging rod 206, the rack 203 moves to the inner side to reset, the convex mold 105 is driven to rotate in the reverse direction through the gear 205, the convex mold 105 rotates and outwards flicks, smooth demolding of the convex mold 105 and the outer pipe finished product 109 can be ensured, the inner groove of the pushing block 102 is subjected to nitriding treatment, the matching precision of the inner groove of the pushing block 102 and the convex mold 105 is strictly controlled, the pushing block 102 can not produce adhesion influence on the outer pipe finished product 109 in a normal working state, after the convex mold 105 is separated from the outer pipe finished product 109, the outer pipe finished product 109 is separated from the pushing block 102, meanwhile, the rotation of the convex mold 105 produces torsion force on the outer pipe finished product 109, the tight fitting state formed by a molding process between the outer pipe finished product 109 and the concave mold 103 is damaged, the distribution of attaching force is changed, the outer pipe finished product 109 and the concave mold 103 is separated, and an operator can conveniently detach the outer pipe finished product 109. production of the outer tube may continue in accordance with the operational procedure described above.
Based on embodiment 1, as shown in fig. 7-9, the device further comprises a push rod 301, a clamping block 302, a buffer spring 303 and a clamping spring 305, wherein the push rod 301 is symmetrically connected to the upper side and the lower side of the push block 102 in a sliding way, the right end face of the push rod 301 is of an inclined structure, the buffer spring 303 is connected between the push rod 301 and the inside of the push block 102, the clamping blocks 302 which are in sliding connection are arranged on the left side face of the concave mold 103 and aligned with the position of the push rod 301, each two clamping blocks 302 are respectively positioned on the upper side and the lower side of a groove, the device mainly aims to clamp an outer tube finished product 109, the clamping springs 305 are connected between the clamping blocks 302 and the concave mold 103, and an inclined surface 304 is arranged in the middle of the clamping blocks 302, and the inclined surface 304 is matched with the inclined structure of the push rod 301, so that automatic opening and clamping actions of the clamping blocks 302 are realized.
When the pushing block 102 drives the convex mold 105 to move to the right side, the pushing rod 301 is synchronously driven to move to the right side, in this process, the inclined structure of the pushing rod 301 is firstly contacted with the inclined surface 304 of the clamping block 302, and the clamping block 302 moves to the outside through the mutual matching of the inclined surfaces 304, so that the clamping spring 305 is compressed, and when the convex mold 105 and the concave mold 103 are butted in place, the pushing block 102 continues to move and is sleeved on the outer side of the convex mold 105. At this time, since the ejector rod 301 is completely abutted against the inclined surface 304 of the clamping block 302, the ejector rod 301 cannot continue to move rightward, the continuous movement of the pushing block 102 compresses the buffer spring 303, the buffer spring 303 plays a role in buffering, a certain space is provided for the subsequent movement of the pushing block 102, after the outer tube is formed, the pushing block 102 drives the convex mold 105 to move leftward, in this process, the outer tube finished product 109 is matched with the convex mold 105, the outer tube finished product 109 is carried to move leftward to a part, at this time, the buffer spring 303 is reset, and the ejector rod 301 moves leftward along with the pushing block 102, and is separated from contact with the inclined surface 304. Then, the clamping spring 305 is reset in a rebound manner, the clamping block 302 is driven to move inwards, the clamping block 302 clamps the outer tube finished product 109, so that a limiting effect is achieved, the outer tube finished product 109 is prevented from moving along with the convex die 105, when the convex die 105 is completely separated from the outer tube finished product 109, the outer tube finished product 109 is larger than the convex die 105 in size, and when the outer tube finished product 109 is hung only by means of the clamping force of the clamping block 302, as the outer tube finished product 109 is brought out of a part by the convex die 105, the gravity center of the outer tube finished product 109 is not in a part attached to the groove, once the convex die 105 is separated, the gravity component of the outer tube finished product 109 can enable the outer tube finished product 109 to generate a rotating moment around the clamping point, the moment can gradually enable the joint surface of the outer tube finished product 109 and the groove to generate a gap, and as the gap is increased, the outer tube finished product 109 gradually tilts gradually and finally drops downwards from the groove under the action of gravity, so that an operator can collect the outer tube finished product 109 conveniently.
As shown in fig. 8 and 10-11, the device further comprises a cylinder 401, a first air pump 402, a conical rod 403 and an extension spring 404, wherein the cylinder 401 is symmetrically connected to the right side of the concave mold 103 front and back, the conical rod 403 is slidably connected to the cylinder 401, the two conical rods 403 respectively penetrate through the two grooves of the concave mold 103, the extension spring 404 is connected between the conical rod 403 and the inside of the cylinder 401, and the first air pump 402 is mounted on the outer side of the cylinder 401 through bolts.
When the male mold 105 is moved rightward and inserted into the groove of the female mold 103, the male mold 105 presses the tapered rod 403 to move rightward, and the tension spring 404 is stretched accordingly. At this time, a closed state is formed between the cylinder 401 and the groove, so that when the molten metal is injected into the cavity between the groove and the convex mold 105, the molten metal is prevented from entering the cylinder 401, and after the outer tube is formed, the convex mold 105 moves to the left side to reset. At this time, the first air pump 402 is started to draw outside air into the cylinder 401, the tapered rod 403 moves to the left to open the passage under the restoring action of the tension spring 404, and air enters the groove. Because of the special conical structure of the conical rod 403, a good flow guiding effect is achieved, gas enters the bottom of the groove from the gap between the conical rod 403 and the groove and then diffuses to the periphery at the bottom of the groove, and because the gap between the outer tube finished product 109 and the groove wall is smaller, the gas can preferentially flow along the gap in the diffusion process, so that a gas flow around the circumference direction of the outer tube finished product 109 is formed. The air flow forms a layer of air film between the outer tube finished product 109 and the groove wall, so that friction force between the outer tube finished product 109 and the groove wall is reduced, meanwhile, the pressure of the air flow also generates an outward thrust force to act on the outer tube finished product 109, and the air accumulates in a gap between the groove wall and the outer tube finished product 109 and generates a pressure difference so as to overcome adhesion force generated by molding and possible tiny friction force between the outer tube finished product 109 and the groove wall, thereby assisting the outer tube finished product 109 to be smoothly separated from the concave die 103. After demolding is completed, the first air pump 402 is turned off.
As shown in fig. 1 and 5, the air pump further comprises a second air pump 501, the front and rear side walls of the pushing block 102 are respectively provided with the second air pump 501 through bolts, the left side in the pushing block 102 is provided with an air inlet channel 502, the two second air pumps 501 are communicated with the air inlet channel 502, and a cavity between the pushing block 102 and the concave die 103 is communicated with the air inlet channel 502.
After the outer tube is formed, the pushing block 102 drives the convex mold 105 to move leftwards to separate from the concave mold 103, meanwhile, the second air pump 501 is started to continuously charge air into the air inlet channel 502, air enters a cavity between the pushing block 102 and the concave mold 103 through the air inlet channel 502, the air can infiltrate from gaps among the outer tube finished product 109, the convex mold 105 and the inner groove of the pushing block 102, an outward thrust is generated on the inner side of the adhesion surface, the convex mold 105 can pop out rightwards under the action of the reset spring 207 in the process of moving the convex mold 105 leftwards, a certain stretching and torsion force can be generated at the adhesion part of the convex mold 105 and the pushing block 102 and the outer tube finished product 109, the force and the speed of the ejection of the convex mold 105 are enhanced, the effective demolding of the outer tube finished product 109 are realized, and the second air pump 501 is closed after the demolding is completed.
As shown in fig. 12 and 13, the device further comprises supporting blocks 601, sliding rails 602, damping belts 603, tension springs 604, inclined frames 605 and pulleys 606, wherein the supporting blocks 601 are symmetrically connected to the right side of the lower portion of the mounting plate 1 through bolts, the supporting blocks 601 are also connected to the front and rear side walls of the lower portion of the concave die 103, sliding connected sliding rails 602 are arranged on the supporting blocks 601, the damping belts 603 are obliquely arranged at the lower ends of the four sliding rails 602, the damping belts 603 are in an inclined state with low left and high right, so that pipe fittings can naturally slide down, the damping belts 603 are located under the whole device, the tension springs 604 are connected between the upper ends of the two sliding rails 602 on the left side and the mounting plate 1, the tension springs 604 are also connected between the upper ends of the two sliding rails 602 on the right side and the concave die 103, the inclined frames 605 are symmetrically connected to the front and rear sides of the top of the damping belts 603, the pulleys 606 are symmetrically connected to the front and rear sides of the lower sides of the pushing blocks 102 in a rotating mode, and the pulleys 606 and the inclined frames 605 form a contact matching relation.
When the pushing block 102 drives the male die 105 to move and is sleeved with the female die 103, the pulley 606 moves synchronously with the pushing block 102, in the process, the pulley 606 contacts with the inclined surface 304 of the inclined frame 605, so that the pressing force is applied to the inclined frame 605 and the shock absorbing belt 603, the inclined frame 605 and the shock absorbing belt 603 move downwards, meanwhile, the sliding rail 602 is driven to slide downwards along the supporting block 601, the tension spring 604 is stretched, and the shock absorbing belt 603 is maintained at the lower height during outer tube processing. After the outer tube is formed, the pushing block 102 drives the convex mold 105 to move leftwards, and is separated from the concave mold 103, and the pulley 606 also moves leftwards, at this time, the demolded outer tube finished product 109 can drop down onto the shock absorption belt 603, and the tension spring 604 can effectively buffer the outer tube finished product 109, so that the outer tube finished product 109 is prevented from being damaged due to drop impact, and the outer tube finished product 109 can smoothly slide leftwards along the inclined plane 304 of the shock absorption belt 603, so that an operator can collect the outer tube finished product 109. When the pushing block 102 drives the convex mold 105 and the pulley 606 to move and reset to the left, the pulley 606 does not press the inclined frame 605 any more, and the shock absorption belt 603, the inclined frame 605 and the sliding rail 602 move upwards integrally and return to the original height.
As shown in fig. 1 and 2, the positioning device further comprises a positioning rod 7, the four corners of the left side wall of the concave mold 103 are respectively connected with the positioning rod 7, the right side wall of the pushing block 102 and the positioning rod 7 are respectively provided with a positioning groove in one-to-one correspondence, and in the process that the pushing block 102 drives the convex mold 105 to move to the right side to butt with the concave mold 103, the pushing block 102 and the concave mold 103 can be accurately positioned through the plugging fit of the positioning rod 7 and the positioning grooves, so that the accuracy in butt joint of the pushing block 102 and the concave mold 103 is effectively ensured, and the quality and the stability of outer tube production are improved.
The production process of the outer tube of the shock absorption part for the automobile chassis utilizes the production equipment of the outer tube of the shock absorption part for the automobile chassis, and comprises the following steps of:
S1, connection and start-up of cooling system
First, it is ensured that the injection mechanism is firmly connected with the female die 103 through the connection port. Next, the liquid inlet valve 107 and the liquid outlet valve 108 are respectively connected to the cooling liquid pipe, and the cooling mechanism is started, so that the cooling liquid can be injected into the spiral cavity 106 of the convex mold 105 from the liquid inlet valve 107, and then flows out from the liquid outlet valve 108 and flows back to the cooling mechanism, thereby forming effective cooling liquid circulation.
S2, preparing the butt joint and rotation of the die
The cylinder 104 is activated so that the telescopic rod of the cylinder 104 is extended, the pushing block 102 moves along with it and drives the male die 105 to move to the right along the guide rod 101 until it is in butt joint with the groove of the female die 103. Then, the telescopic rod of the air cylinder 104 continues to extend, the pushing block 102 moves further to the right, and the gear 205, the guide rail 202, the rack 203 and other components are driven to move to the right synchronously, and in the process, the movement of the rack 203 is converted into the rotation of the convex mold 105 through the gear 205.
S3 high pressure injection molding
After the pushing block 102 completely wraps the male mold 105, the injection mechanism is started to inject the molten metal or alloy into the cavity between the female mold 103 and the male mold 105 through the connecting port at high pressure and high speed. While the material is being injected, a cooling fluid is continuously supplied to the spiral chamber 106, and the outer tube part being formed is subjected to a cooling process, causing it to be formed.
S4, resetting and preliminary demoulding
After the outer tube is formed, the cylinder 104 is controlled to reversely operate, the telescopic rod of the cylinder 104 is shortened, and the pushing block 102 and the convex die 105 are driven to move left for resetting. In this process, the male die 105 is ejected outward by the action of the return spring 207, and reverse rotation is achieved by the interaction of the rack 203 and the gear 205, assisting in completing the demolding process.
S5, pneumatic auxiliary demoulding
The first air pump 402 and the second air pump 501 are activated simultaneously during the demolding phase. The second air pump 501 inflates the air inlet channel 502, air enters the cavity between the pushing block 102 and the concave mold 103, and pushes out the adhered outer tube finished product 109 in cooperation with the ejecting action of the convex mold 105, the first air pump 402 pumps outside air into the cylinder 401, forces the tapered rod 403 to move left, and the air flows into the groove and is discharged along the edge of the groove under the guidance of the tapered rod 403, so as to assist the outer tube finished product 109 to be separated from the groove.
S6, collecting finished products
The demolded outer tube finished product 109 falls on the shock absorption belt 603, is buffered through the tension spring 604, slides down the inclined plane 304 of the shock absorption belt 603, and finally completes the collection work of the tube finished product.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510525368.8A CN120055232A (en) | 2025-04-25 | 2025-04-25 | Production equipment and production process for outer tube of damping part for automobile chassis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510525368.8A CN120055232A (en) | 2025-04-25 | 2025-04-25 | Production equipment and production process for outer tube of damping part for automobile chassis |
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| CN120055232A true CN120055232A (en) | 2025-05-30 |
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| CN202510525368.8A Pending CN120055232A (en) | 2025-04-25 | 2025-04-25 | Production equipment and production process for outer tube of damping part for automobile chassis |
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