Pump cover is based on the automatic stamping and unloading process of flattening

Abstract

The present invention relates to a forming process of a pump cover based on automatic stamping and unloading of the cover in one body based on flattening. The forming equipment adopted by the present invention includes a forming device and an unloading device. The forming device includes a stamping unit and a cake supply unit. The unloading device includes a pump cover collecting channel, a frame plate, a buffer frame, a gas nozzle and a gas supply component. The present invention not only uses the same power source for stamping and cake supply, shortening the time required for stamping, but also can fine-tune the center position of the metal round cake and flatten it up and down to improve the stamping quality. At the same time, during unloading, the cover is unloaded under the speed difference formed by the collision and the same-direction relative speed, which not only reduces the deformation probability of the pump cover, but also combines the gas cooling and purging at the bottom to achieve the effect of cooling and guiding collection.

Description

[0001] This application is a divisional application with the application date of April 26, 2023, application number 202310457396.1, and name of automatic cake feeding, stamping and cover removal integrated forming equipment for pump cover. Technical Field

[0002] The invention belongs to the field of nozzle pump cover processing equipment, and in particular relates to a pump cover forming process based on automatic flattening and cover removal integration. Background Art

[0003] At present, the perfume spray head includes a perfume pump, a pressing cover and a pump cover, wherein the pressing cover includes a bottle mouth cover and a pressing cover with a spraying channel, the spraying channel is connected to the liquid outlet pipe of the perfume pump, when the pressing cover is pressed downward, the liquid in the perfume pump is compressed and sprayed out from the liquid outlet pipe and the spraying channel, thereby completing the spraying of the perfume.

[0004] As for the processing of pump covers, they are generally formed by stamping metal discs. Specifically, the metal disc is placed flat in the molding groove of the stamping die, and then the molding punch moves downward and punches the metal disc downward until it enters the molding hole below the molding groove. At this time, the outer periphery of the pump cover adheres to the inner wall of the molding hole, and the pump cover is pulled out of the molding hole as the molding punch is reset. Then the pump cover is removed from the molding punch to complete the molding process of the pump cover.

[0005] However, the following defects exist in the stamping process: 1) There is no correlation between the placement and stamping of the metal round cakes (they are implemented completely independently). In short, the next round cake placement can only be carried out after the pump cover is removed. Therefore, not only is the efficiency of the pump cover stamping low, but it also requires power and program control respectively, that is, the stamping cost is high and the structure is relatively complex; 2) For the feeding of metal round cakes, spiral feeders are generally used. The metal round cakes can be fed into the forming groove piece by piece. Since the metal round cakes fall into the forming groove in the process , it cannot ensure that each metal disc can be placed relatively flat in the forming groove. There is a certain probability that an angle will be formed between the center line of the forming punch and the center line of the metal disc. If stamping is performed at this angle, there will be a high defective rate (either the cover mouth is uneven or the cover thickness is uneven); 3), the thickness of the metal disc itself is limited, and the wall thickness of the formed pump cover is relatively thin. Therefore, it is inevitable that some metal discs themselves are uneven (for example: a small degree of concave or convex, etc.). If they are placed and stamped directly, the defective rate of the pump cover will be further increased.

[0006] In addition, during the above-mentioned metal round cake feeding process, the conveying channel formed by the spiral feeder is relatively short, and the angle formed does not change gradually, resulting in the need for auxiliary feeding (such as gas purging, vibration, etc.) for continuous feeding of the metal round cakes. Therefore, the entire feeding process becomes complicated and the more structures there are, the more likely it is to be damaged; at the same time, for the unloading of the pump cover, if the surface of the pump cover is directly pulled, due to the force deformation and the high surface temperature, once it is improperly disassembled, it is easy to cause deformation of the pump cover. Summary of the invention

[0007] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an improved pump cover forming process based on flattening automatic stamping and cover removal integration.

[0008] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0009] A pump cover forming process based on flattening automatic stamping and cover removal, the forming equipment used includes a forming device and a cover removal device, wherein the forming device includes a stamping unit and a cake supply unit, the stamping unit includes a stamping forming head with stamping and resetting actions, a forming mold with a forming groove and a forming hole, the cake supply unit includes a cake supply mechanism that can supply metal round cakes one by one and automatically fill in the position, and a cake feeding mechanism that transmits the metal round cakes discharged from the discharge port of the cake supply mechanism to the forming groove one by one, the cake feeding mechanism and the stamping forming head share a power source, wherein stamping is synchronized with cake filling, resetting is synchronized with cake supply, and the cake feeding mechanism The mechanism reciprocates between the cake supply station and the cake repair station, and can relatively flatten and adjust the center position of the metal round cake in the up and down directions, so that the center lines of the metal round cake, the forming groove, the stamping forming head, and the forming hole coincide with each other; the cover removal device includes a pump cover collection channel located on one side of the forming mold, a frame plate for the stamping forming head to pass through, a buffer frame that elastically mounts the frame plate on the forming mold up and down, and a gas nozzle and a gas supply component located on one side of the frame plate, wherein the movement speed formed by the upward reset of the frame plate is less than the upward reset speed of the stamping forming head, and the process includes the following steps:

[0010] 1) Forming of pump cover

[0011] First, the cake-feeding mechanism pushes the metal round cake to the forming groove in the reciprocating motion between the cake-feeding station and the cake-repairing station. At the same time, the pressure in the up and down directions is adjusted so that the center lines of the metal round cake, the forming groove, the stamping forming head and the forming hole coincide, and the metal round cake is relatively flatly matched and mounted in the forming groove; secondly, the stamping forming head performs stamping from top to bottom, at which time, the cake-feeding mechanism moves synchronously with the cake-feeding mechanism, and moves from the cake-feeding station to the cake-repairing station. The stamping rod of the stamping forming head punches the metal round cake into the forming hole and contacts the bottom of the forming hole, and the stamping process is completed at this time; finally, the stamping rod moves upward to reset, and at the same time, the cake-feeding die seat synchronously pushes the metal round cake in the cavity into the forming groove, repeats the cake-feeding action, and completes the stamping of the metal round cakes one by one to form a pump cover;

[0012] 2) Removal of pump cover

[0013] During the resetting process of the above-mentioned stamping head, the corresponding frame plate moves upward at a speed lower than the speed of the stamping head, and the frame sleeve contacts the cover end face of the upper part of the pump cover. Under the speed difference formed, the pump cover gradually separates from the stamping rod in the opposite direction until the moment of separation, and then the corresponding gas nozzle sprays and blows to cool the falling pump cover and blows it to the pump cover collecting channel. At the same time, the movement speed formed by the upward resetting of the frame plate is lower than the speed of the upward resetting of the stamping head, that is, the speed difference formed by the same direction relative speed generates an appropriate force to push the pump cover mounted on the stamping head vertically downward to implement the relative separation of the pump cover and the stamping head.

[0014] According to a specific implementation and preferred aspect of the present invention, the cake feeding mechanism includes a cake feeding die seat formed with a cake groove that can match the discharge port, a cake pressing die seat that can move in the up and down directions to adjust the centerline angle of the metal round cake, and a cake feeding power member that drives the cake groove of the cake feeding die seat to fit the surface of the forming mold and reciprocate between the cake feeding station and the cake repairing station along the cake feeding track; when the cake groove and the forming groove are staggered for cake repairing and cake feeding, the vertical distance between the cake pressing die seat and the upper surface of the forming mold is greater than the thickness of the metal round cake and moves synchronously with the cake feeding die seat. The expansion of the cavity height from the up and down directions not only facilitates the loading of the metal round cake, but also reduces the movement obstacles caused by contact with the metal round cake, so as to improve the stamping quality, reduce the unqualified rate of product stamping, and reduce costs.

[0015] In some specific embodiments, the cake groove includes a circular groove that matches the metal cake and a notch that is connected to the outside from one side of the circular groove. When the cake groove matches the discharge port, the notch is aligned with the discharge port, and the metal cake fits the inner wall of the notch and moves horizontally into the circular groove. When feeding the cake, the circular groove pushes the metal cake horizontally toward the forming groove until a cake feeding station is formed, and the center line of the circular groove coincides with the center line of the forming groove.

[0016] According to another specific implementation and preferred aspect of the present invention, the depth of the forming groove is greater than the thickness of the metal round cake, which not only greatly reduces the probability of the metal round cake being brought out of the forming groove when the cake feeding mold seat is used to fill the cake, but also meets the stamping requirements of metal round cakes of different thicknesses, thereby increasing practicality. At the same time, the cake feeding mechanism includes a spiral feeder, the discharge channel of the spiral feeder spirally descends from top to bottom, and the angle change rate formed gradually decreases from top to bottom, wherein the discharge port is attached to the upper surface of the forming mold, and the angle formed between the metal round cake unloaded from the discharge port and the upper surface of the forming mold is 0~15°. In some specific embodiments, the angle formed between the metal round cake sent out from the discharge port and the upper surface of the forming mold is 1~8°, which not only makes the metal round cakes collide to form continuous and one-by-one upper cakes, but also allows them to smoothly enter the cake groove in a very small space to avoid causing the upper cake to shake, thereby increasing the overlap between the center of the metal round cake and the center of the cake groove.

[0017] According to another specific implementation and preferred aspect of the present invention, the cake pressing die seat includes a cake pressing movable die body and a cake pressing head installed on the cake pressing movable die body, wherein the cake pressing movable die body is movably connected to the cake feeding die seat, the cake pressing head is aligned with the cake groove, and the cake pressing movable die body drives the cake pressing head to move up and down relative to the cake groove during the movement of the cake feeding die seat. Here, the cake pressing movable die body and the cake pressing die seat are synchronized and cooperated, so that it can provide pressure for flattening adjustment when it is in the cake feeding station.

[0018] In some specific embodiments, the cake pressing movable die body is rotatably connected to the cake feeding die seat at the rear end, and the cake pressing head is located at the front end of the cake pressing movable die body, and a driving point is formed between the front end and the rear end of the cake pressing movable die body, wherein the rotation point formed at the rear end, the driving point, and the center point of the front end cake pressing head form a triangle, and the driving point moves up and down to implement the downward pressing or upward lifting of the cake pressing head around the rotation point. The up and down movement of the cake pressing head is implemented by lever support, which has a simple structure and is easy to operate.

[0019] Furthermore, a fixed seat is fixed on the side of the forming mold, and the cake feeding mold seat is slidably installed on the fixed seat through a slide rail; a pulley is provided at the driving point, and a wheel track extending in the direction of the cake feeding track is formed on the fixed seat, and the wheel track has a ramp track that is inclined from top to bottom or arc-shaped and downhill, wherein when the driving point moves downward from the ramp track, the cake pressing head presses down; when the driving point moves upward from the ramp track, the cake pressing head lifts up. Through the cooperation of the wheel track and the pulley, top supports of different heights are implemented, and the lever is triggered to rotate around the fulcrum through the position distribution of the ramp track to accurately implement the relative movement of the cake pressing head on the cake groove.

[0020] According to a specific implementation and preferred aspect of the present invention, the wheel track includes a ramp track formed at the front end and the lower part is aligned with the upper surface of the forming mold, and a straight track extending straightly from the upper part of the ramp track along the direction of the cake supply track. When the driving point slides on the straight track, the cake pressing head keeps the upward elevation and moves synchronously; at the same time, a spring plate is also provided on the fixed seat, one end of the spring plate is connected to the fixed seat, and the other end is connected to the front end of the cake pressing movable mold body, and the spring plate maintains the movement tendency of pressing the front end of the cake pressing movable mold body downward. Here, when the pulley moves on the straight track, the front end of the cake pressing movable mold body is in dynamic balance in the up and down directions; when the pulley goes downhill from the ramp track, the front end of the cake pressing movable mold body is subjected to the force in the up and down directions to drive the cake pressing head to move downward; when the pulley goes uphill from the ramp track, the front end of the cake pressing movable mold body is subjected to the force in the up and down directions to drive the cake pressing head to move upward. In short, the straight rail is set to keep the dynamic mold body of the cake press in dynamic balance and move synchronously, and to avoid the cake press head generating stress on the metal cake during the cake feeding process, which causes friction between the metal cake and the upper surface of the mold, that is, the smoothness of cake feeding is improved and the wear of the metal cake is avoided. In addition, under the action of the spring clip, once the balance of vertical force is destroyed, the ramp rail is used to gradually press against the metal cake to fine-tune the center position of the metal cake, which is also conducive to flattening the metal cake.

[0021] In some specific embodiments, the triangle is an obtuse triangle, wherein the obtuse angle involved is generally between 120 and 175 degrees (according to actual operation, 155 to 165 degrees brings the best cake-pressing effect). At the same time, the cake-pressing effect involved is also related to the inclination angle of the ramp rail.

[0022] According to another specific implementation and preferred aspect of the present invention, the cake feeding mechanism shares a power source with the stamping forming head. By sharing the same power source for stamping and cake supplying, and cooperating and synchronizing the two, the time required for stamping is greatly shortened, and the forming efficiency is improved. At the same time, a resistance module is also provided on the cake feeding die seat. The cake feeding power member includes a wedge head module integrally formed with the stamping forming head and extending downward, and an elastic reset member arranged between the fixed seat and the cake feeding die seat, wherein the wedge head module and the resistance module are in resistance to drive the cake groove to move from the cake supplying station to the cake filling station, and the stamping forming head is synchronously stamped downward; the wedge head module and the resistance module gradually break away from the resistance, the elastic reset member drives the cake feeding die seat to reset, the cake groove moves from the cake filling station to the cake supplying station, and the stamping forming head is synchronously reset upward. Under this structural layout, the synchronization of the stamping forming head and the cake supplying is completed.

[0023] Preferably, a first matching surface and a second matching surface are formed on the wedge head module and the interference module, respectively, wherein the first matching surface and the second matching surface are relatively fitted and separated to drive the cake feeding mold seat to move relative to the fixed seat along the cake feeding track. Here, the fitting of the matching surfaces is adopted to form a mode of gradual wedging or disengagement to implement the linear motion of the cake feeding mold seat, and the stamping and cake feeding are synchronized, which greatly improves the forming efficiency. In some specific embodiments, the wedge head module is a fixed rod fixed on the stamping forming head and a matching roller installed at the bottom of the fixed rod, wherein the wheel surface of the matching roller forms the first matching surface, and the upper part of the interference module is provided with an inclined surface or a curved surface with a circular arc transition that is inclined inward from top to bottom, wherein the inclined surface or the curved surface constitutes the second matching surface.

[0024] In some specific embodiments, the elastic reset member extends along the length direction of the cake feeding track, and positioning columns are respectively provided on the fixed seat and the cake feeding mold seat, and the two ends of the elastic reset member are respectively sleeved on the positioning columns. Under the setting of this elastic reset member, the cake feeding mold seat can be reset, that is, when the stamping forming head is reset, the cake feeding mold seat is reset synchronously and when the cake patching station is formed, the next metal round cake is patched. Generally, the elastic reset member is a tension spring, and there are two of them, wherein the two tension springs are symmetrically arranged on both sides of the cake feeding mold seat. Under this layout, its movement is more stable.

[0025] Furthermore, the cake pressing head includes an upper rod fixedly connected to the cake pressing dynamic die body, and a lower pressing module installed at the lower end of the upper rod, wherein the lower pressing module flattens the metal round cake during the up and down movement, and when in the cake supply station, the bottom surface of the lower pressing module is parallel to the bottom surface of the forming groove, and the center lines of the five from top to bottom of the stamping forming head, the lower pressing module, the forming groove, the metal round cake and the forming hole overlap in the vertical direction. Under the premise of the overlap of each center line, the quality of stamping and forming is improved (especially the uniformity of the end surface of the pump cover and the uniformity of the wall thickness are better), thereby reducing the stamping scrap rate.

[0026] According to another specific implementation and preferred aspect of the present invention, the cake pressing die seat also includes a core rod that can be lifted up and down and installed in the forming hole, wherein when forming the cake supply station, the top surface of the core rod receives the metal round cake and synchronously descends with the pressing module until the top surface of the core rod is flush with the bottom surface of the forming groove, and the pressing module, the forming groove, and the top surface of the core rod respectively contact the upper and lower surfaces of the metal round cake to flatten the metal round cake; after the metal round cake is flattened, the top surface of the core rod descends to form the bottom surface of the forming hole, and the stamping forming head performs stamping again. The core rod that can be lifted up and down can cooperate with the pressing module to flatten the metal round cake in the up and down directions when forming the bottom of the forming groove; when forming the bottom of the forming hole, the pump cover cap end can be shaped; when the top surface of the core rod is flush with the upper surface of the forming mold, the metal round cake is effectively supported to reduce the relative shaking of the metal round cake when forming the cake supply station, and improve the stability and accuracy of cake feeding.

[0027] In addition, the cooling and purging of the gas is more conducive to the detachment of the pump cover and the reduction of the deformation of the pump cover. The buffer frame includes a positioning rod fixed on the forming mold, a positioning nut installed on the upper end of the positioning rod, and a buffer spring sleeved on the outer periphery of the positioning rod and located between the frame plate and the forming mold, and the frame plate moves up and down with the deformation of the buffer spring. Therefore, in the reset formed by the spring, the pump cover is gradually pushed down from the stamping forming head. At the same time, the gas nozzle used can be adjusted at any angle through the serpentine bending tube to meet the use needs under different working conditions.

[0028] Due to the implementation of the above technical solution, the present invention has the following advantages compared with the prior art:

[0029] The existing pump cover forming equipment cannot form an interaction and relationship between the punching, feeding and filling of the metal round cakes during punching, nor can it perform fine adjustment and flattening of the center position of the metal round cake to improve the punching efficiency and quality and reduce the defective rate; and the pump cover is easily deformed when it is removed after punching, etc. The forming equipment of the present invention cleverly solves the various deficiencies of the existing structure through the overall design. With this equipment, during stamping, the metal round cakes are supplied one by one from the self-patch cake station to the cake supply station by the synchronous cooperation of the forming punch movement, cake feeding, and cake mending, and the stamping action is performed while supplying. At the same time, combined with the cake pressing action in the up and down directions, the coincidence degree of the center line of the metal round cake and the center line of the stamping forming head is effectively adjusted. At the same time, the metal round cake can be relatively flattened so that it can be stamped and formed when the center lines of the metal round cake, the forming groove, the stamping forming head, and the forming hole coincide. When removing the cover, during the synchronous resetting of the frame plate, the speed difference formed by the same direction relative speed generates an appropriate force to push the pump cover mounted on the stamping forming head vertically downward, so as to facilitate the relative separation of the pump cover and the stamping forming head, and the port surface of the pump cover is gradually separated from the punch due to the resistance force formed along its own length direction. The forming head is pressed and combined with the gas cooling and purging at the bottom to reduce the probability of deformation when removing the cover to perform the detachment of the pump cover. Therefore, compared with the existing structure, on the one hand, the present invention shares the same power source for stamping and cake supply, and the two cooperate and synchronize, which greatly shortens the time required for stamping and improves the forming efficiency; on the other hand, through the cake pressing in the up and down directions, not only can the center position of the metal round cake be fine-tuned during cake supply, but it can also be flattened in the up and down directions to complete the precise cake supply of the metal round cake, improve the stamping quality, reduce the unqualified rate of product stamping, and reduce costs; thirdly, the adopted unloading cover is removed under the speed difference formed by the friction and the same-direction relative speed, which not only reduces the probability of deformation of the pump cover, but also combines with the gas cooling and purging at the bottom to achieve the effect of cooling and guided collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1It is a schematic diagram of the three-dimensional structure of the pump cover forming equipment of the present invention (the spiral feeder is omitted);

[0031] Figure 2 It is a top view schematic diagram of the spiral feeder of the present invention;

[0032] Figure 3 for Figure 1 The main schematic diagram of the middle pump cover forming equipment after partial omission (when not stamped);

[0033] Figure 4 for Figure 1 The schematic diagram of the main view of the pump cover forming equipment with parts omitted (during stamping);

[0034] Figure 5 for Figure 1 The schematic diagram of the main view of the middle pump cover forming equipment after partial omission (when the stamping is reset);

[0035] Figure 6 for Figure 1 A magnified schematic diagram of the local structure of the middle pump cover forming equipment (before stamping);

[0036] Figure 7 for Figure 1 A magnified schematic diagram of the local structure of the pump cover forming equipment (during the stamping reset process);

[0037] Wherein: C, forming device; ①, stamping unit; 1, stamping forming head; 10, stamping module; 11, stamping rod; 2, forming mold; 20, forming groove; 21, forming hole; ②, cake supply unit; 3, cake supply mechanism; 30, spiral feeder; 300, output channel; 4, cake delivery mechanism; 40, cake delivery mold seat; 400, cake groove; a, circular groove; b, notch; 41, cake pressing mold seat; 4a, cake pressing dynamic mold body; 4b, cake pressing head; b1, upper rod; b2, lower pressing module; 4c, core rod; 42, cake delivery power part; 420, wedge head module; e1, fixed rod; e2, matching roller; 421, elastic reset part; d, positioning column; 43, fixed seat; 44, spring piece; 45, resistance module; h, slide rail; m, pulley; g, wheel rail; g1, ramp rail; g2, straight rail;

[0038] X, cover removal device; 5, pump cover collection channel; 6, frame plate; 7, buffer frame; 70, positioning rod; 71, positioning nut; 72, buffer spring; 8, gas nozzle; 9, frame sleeve;

[0039] B. Metal disc; G. Pump cover. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0041] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly defined and specified, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0046] like Figures 1 to 7 As shown, the pump cover of this embodiment is based on a flattening automatic stamping and cover unloading integrated molding process, and the pump cover molding equipment adopted includes a molding device C and a cover unloading device X, wherein the molding device C includes a stamping unit ① and a cake supply unit ②, the stamping unit ① includes a stamping molding head 1 with stamping and resetting actions, a molding die 2 with a molding groove 20 and a molding hole 21, the cake supply unit ② includes a cake supply mechanism 3 that can supply metal round cakes B one by one and automatically fill in the position, and a cake feeding mechanism 4 that transfers the metal round cakes B discharged from the discharge port of the cake supply mechanism 3 to the molding groove 20 one by one; the cover unloading device X is used for unloading the pump cover G after molding.

[0047] Specifically, the stamping forming head 1 includes a stamping module 10 located at the upper part, a stamping rod 11 located at the lower part, and a stamping power source connected to the stamping module 10 to drive the stamping rod 11 to reciprocate in the up-and-down direction.

[0048] The top surface of the forming mold 2 is flat and horizontally arranged, the forming groove 20 is located in the middle of the forming mold 2 and is recessed from top to bottom, wherein the groove depth of the forming groove 20 is slightly larger than the thickness of the metal round cake B to be punched, and the groove diameter matches the outer diameter of the metal round cake B (either equal or slightly larger); the forming hole 21 extends downward from the middle of the forming groove 20 (the groove and the hole are concentric).

[0049] The cake feeding mechanism 3 includes a spiral feeder 30, which is a conventional method for forming a spiral feeder. In this example, the output channel 300 formed descends from top to bottom in a spiral line, and the angle between the output channel 300 forming the discharge port and the upper surface of the forming mold 2 gradually decreases, wherein the angle formed is about 2-3°. At the same time, the angle setting can be adjusted according to the thickness (or weight) of the metal round cake B, so that it can be continuously transmitted to the forming groove 20. In some specific embodiments, the discharge port is attached to the upper surface of the forming mold 2, and a cake feeding track is formed between the discharge port and the forming groove. In this example, the forming mold 2 is disc-shaped, and the cake feeding track extends along the radial direction of the disc, that is, the cake feeding will reciprocate along the radial direction of the disc.

[0050] The cake feeding mechanism 4 includes a cake feeding die base 40 formed with a cake groove 400 matching the discharge port, a cake pressing die base 41 capable of moving in the up and down directions to adjust the center line angle of the metal round cake B, and a cake feeding power member 42 that drives the cake groove 400 of the cake feeding die base 40 to fit the surface of the molding mold 2 and reciprocate between the cake feeding station and the cake filling station along the cake feeding track, wherein the cake feeding die base 40 moves in contact with the discharge port, and the cake feeding power member 42 shares a power source with the stamping forming head 1, and the stamping It is synchronized with the cake mending and the cake feeding. When the cake groove 400 and the forming groove 20 are aligned up and down to form a cake feeding station, the cake pressing die seat 41 moves in the up and down directions to press the surface of the metal round cake B so that the center lines of the metal round cake B, the forming groove 20, the stamping forming head 1, and the forming hole 21 coincide with each other; when the cake groove 400 and the forming groove 20 are staggered for cake mending and cake feeding, the vertical distance between the cake pressing die seat 41 and the upper surface of the forming mold 2 is greater than the thickness of the metal round cake and moves synchronously with the cake feeding die seat 40.

[0051] In some specific embodiments, the cake groove 400 includes a circular groove a that matches the metal round cake B and a notch b that is connected to the outside from one side of the circular groove a, wherein when the cake groove 400 matches the discharge port, the notch b is aligned with the discharge port, and the metal round cake B fits the inner wall of the notch b and moves horizontally into the circular groove a; when feeding the cake, the circular groove a horizontally pushes the metal round cake B toward the forming groove 20 until a cake feeding station is formed, and the center line of the circular groove a coincides with the center line of the forming groove 20.

[0052] In order to facilitate the relative movement of the cake pressing die base 41, the cake pressing die base 41 includes a cake pressing movable die body 4a and a cake pressing head 4b installed on the cake pressing movable die body 4a, wherein the cake pressing movable die body 4a is movably connected to the cake feeding die base 40, and the cake pressing head 4b is aligned with the cake groove 400. When the cake feeding die base 40 moves, the cake pressing movable die body 4a drives the cake pressing head 4b to move up and down relative to the cake groove 400. Specifically, the movable cake pressing mold body 4a is rotatably connected to the cake feeding mold base 40 at the rear end, and the cake pressing head 4b is located at the front end of the movable cake pressing mold body 4a, and a driving point is formed between the front and rear ends of the movable cake pressing mold body 4a, wherein the rotation point formed at the rear end, the driving point, and the center point of the front end cake pressing head form a triangle, and the driving point moves up and down to implement the downward pressure or upward lifting of the cake pressing head around the rotation point. In some specific embodiments, the cake pressing head 4b includes an upper rod b1 fixedly connected to the movable cake pressing mold body 4a, and a lower pressing module b2 installed at the lower end of the upper rod b1, wherein the lower pressing module b2 flattens the metal round cake B during the up and down movement, and when it is in the cake feeding station, the bottom surface of the lower pressing module b2 is parallel to the bottom surface of the forming groove 20, and the center lines of the five stamping forming head 1, the lower pressing module b2, the forming groove 20, the metal round cake B and the forming hole 21 from top to bottom coincide in the vertical direction.

[0053] In some specific embodiments, the above-mentioned cake pressing mold base 41 also includes a core rod 4c that can be raised and lowered and installed in the forming hole 21 (the design of this core rod 4c is only to further improve the flattening and center adjustment effect, and it is not necessary to set it up). However, it is precisely because of the layout of the core rod 4c that, when forming the cake supply station, the top surface of the core rod 4c receives the metal cake B and synchronously descends with the pressing module until the top surface of the core rod 4c is flush with the bottom surface of the forming groove 20, and the pressing module b2, the forming groove 20, and the top surface of the core rod 4c respectively contact the upper and lower surfaces of the metal cake B to flatten the metal cake B; after the metal cake B is flattened, the top surface of the core rod 4c descends to form the bottom surface of the forming hole 21, and the stamping head performs stamping again.

[0054] In some specific embodiments, a fixed seat 43 is fixed on the side of the forming mold 2, and the cake feeding mold seat 40 is slidably installed on the fixed seat 43 through a slide rail h; a pulley m is provided at the driving point, and a wheel track g extending in the direction of the cake feeding track is formed on the fixed seat 43, wherein the wheel track g includes a ramp track g1 formed at the front end and aligned with the upper surface of the forming mold at the lower part, and a straight track g2 extending linearly from the upper part of the ramp track g1 along the direction of the cake feeding track. When the pulley m moves downward from the ramp track, the cake pressing head 4b is pressed downward; when the pulley m moves upward from the ramp track g1, the cake pressing head 4b is lifted up, and the cake pressing head 4b keeps the lifting speed and moves synchronously. At the same time, a spring piece 44 is also provided on the fixed seat 43, one end of the spring piece 44 is connected to the fixed seat 43, and the other end is connected to the front end of the cake pressing movable mold body 4a, and the spring piece maintains the movement tendency of pressing the front end of the cake pressing movable mold body 4a downward. In short, when the pulley moves on the straight track, the forces on the front end of the pancake pressing movable die body in the up and down directions are in dynamic balance; when the pulley goes downhill from the ramp track, the forces on the front end of the pancake pressing movable die body in the up and down directions drive the pancake pressing head to move downward; when the pulley goes uphill from the ramp track, the forces on the front end of the pancake pressing movable die body in the up and down directions drive the pancake pressing head to move upward.

[0055] Furthermore, the rotation point, the driving point, and the center point of the front end pancake pressing head form an obtuse triangle, wherein the obtuse angle involved is about 155-165°. According to the specific implementation effect, the best effect is formed by an obtuse angle of about 158-163°. At the same time, the pancake pressing effect involved is also related to the inclination angle of the ramp rail. That is, the downward pressing force can be selected and adjusted according to actual needs.

[0056] The cake feeding die seat 40 is also provided with a resistance module 45, and the cake feeding power member 42 includes a wedge head module 420 which is integrally formed with the stamping forming head 1 and extends downward, and an elastic reset member 421 arranged between the fixed seat 43 and the cake feeding die seat 40, wherein the wedge head module 420 and the resistance module 45 contact and cooperate to drive the cake groove 400 to move from the cake supply station to the cake repair station, and the stamping forming head 1 is synchronously stamped downward; the wedge head module 420 and the resistance module 45 gradually disengage from the conflict, and the elastic reset member 421 drives the cake feeding die seat 40 to reset, and the cake groove 400 moves from the cake repair station to the cake supply station, and the stamping forming head is synchronously reset upward, wherein the wedge head module 420 and the resistance module 45 are respectively formed with a first matching surface and a second matching surface, specifically, the wedge head module 420 includes a fixed A fixed rod e1 on the stamping head 1 and a matching roller e2 installed at the bottom of the fixed rod e1, wherein the wheel surface of the matching roller e2 forms a first matching surface, and the upper part of the abutment module 45 is provided with an inclined surface inclined inward from top to bottom, wherein the inclined surface constitutes a second matching surface, and at the same time, the first matching surface and the second matching surface are fitted to drive the cake feeding mold base 40 to move relative to the fixed base along the cake feeding track; the elastic reset member 421 extends along the length direction of the cake feeding track, and positioning columns d are respectively provided on the fixed base 43 and the cake feeding mold base 40, wherein the two positioning columns d can be arranged perpendicular to each other or in parallel, which is selected entirely according to the implementation needs. In the present application, the two positioning columns d can be arranged perpendicular to each other, and the two ends of the elastic reset member 421 are respectively mounted on the positioning columns d.

[0057] Combination Figure 1 , 6 As shown in Figures 7, the cover removal device X includes a pump cover collecting channel 5 located on one side of the forming mold 2, a frame plate 6 for the stamping head 1 to pass through, a buffer frame 7 for elastically mounting the frame plate 6 on the forming mold 2, and a gas nozzle 8 and a gas supply component located on one side of the frame plate 6, wherein when the stamping head 1 stamps downward, the frame plate 6 can follow up to form a buffer, and when the stamping head 1 is reset upward, the frame plate 6 is reset accordingly and gradually detaches the pump cover G from the stamping head 1 vertically downward from the upper cover edge of the formed pump cover G, and the gas nozzle 8 blows air to the pump cover G detached from the stamping head 1 to cool the pump cover G and blow the pump cover G to the pump cover collecting channel 5.

[0058] In some specific embodiments, the movement speed formed by the upward reset of the frame plate 6 is lower than the upward reset speed of the stamping head 1. At the same time, the buffer frame 7 used includes a positioning rod 70 fixed on the forming mold 2, a positioning nut 71 installed on the upper end of the positioning rod 70, and a buffer spring 72 sleeved on the outer periphery of the positioning rod 70 and located between the frame plate 6 and the forming mold 2, wherein the frame plate 6 moves up and down with the deformation of the buffer spring 72, and a frame sleeve 9 is formed in the middle of the frame plate 6 to pass through the frame sleeve 9, and the inner diameter of the frame sleeve 9 is smaller than the outer diameter of the pump cover G, that is, the frame sleeve 9 and the stamping rod 11 are evenly resisted against the pump cover G in the concentric relative movement. There are two positioning rods 70, which are located at both ends of the frame plate 6, and there are two buffer springs 72, which are respectively sleeved on the outer periphery of the positioning rod 70.

[0059] In summary, the molding steps of the pump cover in this embodiment are as follows:

[0060] 1) Forming of pump cover

[0061] a) A spiral feeder is used to discharge the metal round cakes B from the spirally descending output channel 300 one by one from the discharge port, and the metal round cakes B are in contact with the horizontal surface during discharge, and the metal round cakes B are pushed to the forming groove 20 during the reset of the cake feeding die seat 40, and at the same time, the cake pressing die seat 41 is adjusted under the pressure in the up and down directions so that the center lines of the metal round cake B, the forming groove 20, the stamping forming head 1, and the forming hole 21 coincide with each other, and the metal round cake B is relatively flatly matched and mounted in the forming groove 20; b) The stamping forming head 1 performs stamping from top to bottom, at this time, the cake feeding power member 42 moves synchronously with it, driving the cake feeding die seat 40 to move from the cake feeding station to the cake filling station, and the pressing die seat 41 is pressed. The cake mold seat 41 is lifted up to increase the volume of the cavity in the thickness direction of the cake groove 400 until the cake groove 400 is aligned with the discharge port to form a cake filling station, and the metal round cake B is automatically filled into the cavity. At the same time, the punching rod 11 of the punching forming head 1 punches the metal round cake B into the forming hole 21 and contacts the bottom of the forming hole 21, and the punching process is completed at this time; c) After completing the above-mentioned punching, the punching rod 11 moves upward to reset, and at the same time, the cake feeding mold seat 40 synchronously pushes the metal round cake B in the cavity into the forming groove 20, and repeats the cake feeding action of step a). Therefore, in the reciprocating motion of punching and resetting of the punching forming head, the metal round cakes are punched one by one to form the pump cover G;

[0062] 2) Removal of pump cover

[0063] During the resetting process of the above-mentioned stamping head, the corresponding frame plate 6 moves upward at a speed lower than the upward movement of the stamping head, and the frame sleeve 9 contacts the cover end surface of the upper part of the pump cover G. Under the speed difference formed, the pump cover G gradually separates from the stamping rod 11 in the reverse direction, and at the moment of separation, the corresponding gas nozzle 8 sprays and blows to cool the falling pump cover G and blow it to the pump cover collecting channel 5.

[0064] At the same time, once the core rod 4c is used in the molding of the above-mentioned pump cover, when the cake supply station is formed, the top surface of the core rod 4c receives the metal cake B and synchronously descends with the pressing module until the top surface of the core rod 4c is flush with the bottom surface of the molding groove 20, and the pressing module b2, the molding groove 20, and the top surface of the core rod 4c respectively contact the upper and lower surfaces of the metal cake B to flatten the metal cake B; after the metal cake B is flattened, the top surface of the core rod 4c descends to form the bottom surface of the molding hole 21, and the stamping head performs stamping again.

[0065] In summary, when adopting this equipment, when feeding the cake, there is no need to use external force to assist, and the metal cakes can be supplied one by one only through spiral descent and gradual change of the angle formed; when stamping, under the same stamping power source, the metal cakes are supplied one by one from the self-cake repairing station to the cake supplying station by the synchronous cooperation of the forming punch movement, cake feeding, and cake repairing, and the stamping action is performed while supplying. At the same time, combined with the cake pressing action in the up and down directions, the coincidence degree of the center line of the metal cake and the center line of the stamping forming head is effectively adjusted. At the same time, the metal cake can be relatively flattened so that it can be stamped and formed when the center lines of the metal cake, the forming groove, the stamping forming head, and the forming hole coincide with each other; when removing the cover, during the synchronous resetting of the frame plate, the port surface of the self-pump cover is gradually separated from the stamping forming head due to the resistance force formed along its own length direction, and combined with the bottom Gas cooling and purging are performed to reduce the deformation probability of cover removal. Therefore, compared with the existing structure, the present invention, on the one hand, shares the same power source for stamping and cake supply, and the two cooperate synchronously, which greatly shortens the time required for stamping and improves the forming efficiency; on the other hand, through the cake pressing in the up and down directions, not only can the center position of the metal round cake be fine-tuned during cake supply, but it can also be flattened in the up and down directions to complete the precise cake supply of the metal round cake. At the same time, the height of the expanded cavity is separated from the up and down directions, which not only facilitates the loading of the metal round cake, but also reduces the movement hindrance caused by contact with the metal round cake, so as to improve the stamping quality, reduce the unqualified rate of product stamping, and reduce the cost; thirdly, the cover removal adopted not only reduces the deformation probability of the pump cover, but also combines with the gas cooling and purging at the bottom to achieve the effect of cooling and guided collection.

[0066] The above detailed description of the present invention is intended to enable persons familiar with the art to understand the contents of the present invention and implement them. It does not limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A pump cover forming process based on flattening automatic stamping and cover unloading, the forming equipment used includes a forming device and a cover unloading device, wherein the forming device includes a stamping unit and a cake supply unit, the stamping unit includes a stamping forming head with stamping and resetting actions, a forming mold with a forming groove and a forming hole, the cake supply unit includes a cake supply mechanism that can supply metal round cakes one by one and automatically fill in the position, and a cake delivery mechanism that transfers the metal round cakes discharged from the discharge port of the cake supply mechanism to the forming groove one by one, characterized in that: The cake feeding mechanism shares a power source with the stamping forming head, wherein stamping is synchronized with cake repairing, and resetting is synchronized with cake supplying; the cake feeding mechanism comprises a cake feeding mold seat formed with a cake groove that can match the discharge port, a cake pressing mold seat that can move in the up and down directions to adjust the angle of the center line of the metal round cake, and a cake feeding power member that drives the cake groove of the cake feeding mold seat to fit the surface of the forming mold and reciprocate between the cake supplying station and the cake repairing station along the cake supplying trajectory, wherein the cake feeding mechanism reciprocates between the cake supplying station and the cake repairing station, and can move in the up and down directions in a synchronous manner. The center position of the metal round cake is flattened and adjusted so that the center lines of the metal round cake, the forming groove, the punching forming head and the forming hole coincide with each other; the cover removal device comprises a pump cover collecting channel located on one side of the forming die, a frame plate for the punching forming head to pass through, a buffer frame for elastically mounting the frame plate on the forming die up and down, and a gas nozzle and a gas supply component located on one side of the frame plate, wherein the movement speed formed by the upward reset of the frame plate is less than the upward reset speed of the punching forming head, and the process comprises the following steps: 1) Forming of pump cover First, the cake-feeding mechanism pushes the metal round cake to the forming groove in the reciprocating motion between the cake-feeding station and the cake-repairing station. At the same time, the pressure in the up and down directions is adjusted so that the center lines of the metal round cake, the forming groove, the stamping forming head and the forming hole coincide, and the metal round cake is relatively flatly matched and mounted in the forming groove; secondly, the stamping forming head performs stamping from top to bottom, at which time, the cake-feeding mechanism moves synchronously with the cake-feeding mechanism, and moves from the cake-feeding station to the cake-repairing station. The stamping rod of the stamping forming head punches the metal round cake into the forming hole and contacts the bottom of the forming hole, and the stamping process is completed at this time; finally, the stamping rod moves upward to reset, and at the same time, the cake-feeding die seat synchronously pushes the metal round cake in the cavity into the forming groove, repeats the cake-feeding action, and completes the stamping of the metal round cakes one by one to form a pump cover; 2) Removal of pump cover During the resetting process of the above-mentioned stamping head, the corresponding frame plate moves upward at a speed lower than the speed of the stamping head, and the frame sleeve contacts the cover end face of the upper part of the pump cover. Under the speed difference formed, the pump cover gradually separates from the stamping rod in the opposite direction until the moment of separation, and then the corresponding gas nozzle sprays and blows to cool the falling pump cover and blows it to the pump cover collecting channel. At the same time, the movement speed formed by the upward resetting of the frame plate is lower than the speed of the upward resetting of the stamping head, that is, the speed difference formed by the same direction relative speed generates an appropriate force to push the pump cover mounted on the stamping head vertically downward to implement the relative separation of the pump cover and the stamping head.

2. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: When the cake groove and the forming groove are staggered to fill and feed the cake, the vertical distance between the cake pressing die seat and the upper surface of the forming mold is greater than the thickness of the metal round cake and moves synchronously with the cake feeding die seat.

3. The pump cover according to claim 2 is formed by automatic flattening and cover removal, characterized in that: The cake groove includes a circular groove that matches the metal cake and a notch that is connected to the outside from one side of the circular groove. When the cake groove matches the discharge port, the notch is aligned with the discharge port, and the metal cake fits the inner wall of the notch and moves horizontally into the circular groove. When feeding the cake, the circular groove pushes the metal cake horizontally toward the forming groove until a cake feeding station is formed, and the center line of the circular groove coincides with the center line of the forming groove.

4. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: The depth of the forming groove is greater than the thickness of the metal disk.

5. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: The discharge port is attached to the upper surface of the forming mold, and the angle formed between the metal round cake unloaded from the discharge port and the upper surface of the forming mold is 0-15°.

6. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: The cake pressing die seat includes a cake pressing movable die body and a cake pressing head installed on the cake pressing movable die body, wherein the cake pressing movable die body is movably connected to the cake feeding die seat, and the cake pressing head is aligned with the cake groove. When the cake feeding die seat moves, the cake pressing movable die body drives the cake pressing head to move up and down relative to the cake groove.

7. The pump cover according to claim 6 is formed by automatic flattening and cover removal, characterized in that: The movable cake pressing mold body is rotatably connected to the cake feeding mold base at the rear end, and the cake pressing head is located at the front end of the movable cake pressing mold body, forming a driving point between the front and rear ends of the movable cake pressing mold body, wherein the rotation point formed at the rear end, the driving point, and the center point of the front cake pressing head form a triangle, and the driving point moves up and down to implement the downward pressing or upward lifting of the cake pressing head around the rotation point.

8. The pump cover according to claim 6 is formed by automatic flattening and cover removal, characterized in that: The cake pressing head includes an upper rod fixedly connected to the cake pressing movable mold body and a lower pressing module installed at the lower end of the upper rod, wherein the lower pressing module flattens the metal round cake during the up and down movement, and when in the cake supplying station, the bottom surface of the lower pressing module is parallel to the bottom surface of the forming groove, and the center lines of the five from top to bottom, namely, the stamping forming head, the lower pressing module, the forming groove, the metal round cake and the forming hole, coincide in the vertical direction.

9. The pump cover according to claim 8 is formed by automatic flattening and cover removal, characterized in that: The cake pressing die seat also includes a core rod that can be raised and lowered and installed in the forming hole, wherein when the cake supply station is formed, the top surface of the core rod receives the metal round cake and synchronously descends with the pressing module until the top surface of the core rod is flush with the bottom surface of the forming groove, and the pressing module, the forming groove, and the top surface of the core rod respectively contact the upper and lower surfaces of the metal round cake to flatten the metal round cake; after the metal round cake is flattened, the top surface of the core rod descends to form the bottom surface of the forming hole, and the stamping head performs stamping again.

10. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: The movement speed formed by the upward reset of the frame plate is less than the upward reset speed of the punching and forming head.

11. The pump cover according to claim 10 is formed by automatic flattening and cover removal, characterized in that: The buffer frame includes a positioning rod fixed on the forming mold, a positioning nut installed on the upper end of the positioning rod, and a buffer spring sleeved on the outer periphery of the positioning rod and located between the frame plate and the forming mold, and the frame plate moves up and down with the deformation of the buffer spring.

12. The pump cover according to claim 1 is formed by automatic flattening and cover removal, characterized in that: The gas nozzle can be adjusted to any angle through the serpentine bending tube.

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