Automatic loading and unloading device for automobile bushing injection machine

Abstract

The present invention provides an automatic loading and unloading device for an automobile bushing injection machine, comprising a platform, a frame plate is horizontally arranged above the platform through columns, and the lower end of the frame plate is evenly provided with ejector columns for ejecting bushings and corresponding to the mold cavity of the lower mold, and a lifting assembly is arranged on the platform, which can make the upper and lower sub-plates rise separately and then fall and close, and the lifting assembly includes a cylinder arranged upward on the platform, and the piston rod of the cylinder is connected with a connecting plate, and vertical poles are vertically arranged around the upper end of the connecting plate, and the top of the vertical pole is provided with a concave block for the upper horizontal block to extend into. The advantages of the present invention are: it can automatically make the upper and lower sub-plates rise separately and then fall and close, and catch and remove the pushed-down bushings during the separate rising process, and complete the loading of the bushing core after falling and closing, saving time and having a high degree of automation.

Description

Technical Field

[0001] The invention relates to the technical field of rubber injection machines, in particular to an automatic loading and unloading device for an automobile bushing injection machine. Background Art

[0002] Rubber injection molding machine, referred to as rubber injection machine; is a technology for the production of rubber molded products. It is the main molding equipment for making thermosetting rubber into rubber products of various shapes using rubber molding molds.

[0003] At present, a lifting block is connected to the main cylinder of the injection molding machine, and two guide rails are longitudinally arranged on the lifting block. The lower mold moves forward and backward and is slidably matched on the two guide rails. The displacement cylinder placed on the two guide rails moves the lower mold forward and backward. The lower mold is composed of an upper dividing plate and a lower dividing plate. Return blocks for pressing the lower mold to separate from the upper mold are arranged around the lifting block. The lower mold equipped with the bushing core is moved back to the bottom of the upper mold of the injection molding machine. The main cylinder drives the lower mold to close the mold with the upper mold. After the bushing is formed, the main cylinder drives the lifting block, the guide rail, and the lower mold to move down. The displacement cylinder drives the lower mold to move forward to the bottom. The staff lifts up the upper dividing plate to separate the upper and lower dividing plates, and then pushes out the bushing in the upper dividing plate after placing a storage box under the upper dividing plate. The storage box is taken away and dumped into the material frame. After closing the upper dividing plate and the lower dividing plate, the staff also needs to put the bushing core into the mold cavity of the lower mold. The staff has many operation steps and high labor intensity. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an automatic loading and unloading device for an automobile bushing injection machine, which can automatically make the upper and lower dividing plates rise separately and then descend and close, and catch and remove the bushing that is pushed down during the separate rising process, and complete the loading of the bushing core after descending and closing, saving time and having a high degree of automation.

[0005] The present invention provides an automatic loading and unloading device for an automobile bushing injection machine, an injection machine 1 for vulcanizing bushings, wherein the injection machine 1 is provided with a lower mold 5 that can move forward and backward, and the lower mold 5 is composed of an upper dividing plate 5.1 and a lower dividing plate 5.2, and upper horizontal blocks 6 and lower horizontal blocks 7 are symmetrically arranged on the left and right sides of the upper dividing plate 5.1 and the lower dividing plate 5.2, respectively, and comprises a platform 2, and a frame plate 3 is horizontally arranged above the platform 2 through a column, and the lower end of the frame plate 3 is evenly distributed with ejector columns 4 for ejecting bushings and corresponding to the mold cavity of the lower mold 5, and a lifting assembly 8 is provided on the platform 2, which can make the upper dividing plate 5.1 and the lower dividing plate 5.2 rise separately and then fall and close, and the lifting assembly Component 8 includes a cylinder 8.1 arranged upward on the platform 2, the piston rod of the cylinder 8.1 is connected to a connecting plate 8.2, vertical rods 8.3 are vertically arranged around the upper end of the connecting plate 8.2, the top of the vertical rod 8.2 is provided with a concave block 8.4 for accommodating the upper horizontal block 6 to extend therein, the upper end of the vertical rod 8.2 is elastically provided with a lower limit block 8.5 for lifting the lower horizontal block 7, the inner side of the column is provided with an upper limit block 8.6 for limiting the lower horizontal block 7, a loading component 9 connected to the two columns on the right side and used for loading the bushing core into the lower mold 5 is provided on the platform 2, and a unloading component for receiving and unloading the bushing is provided on the loading component 9.

[0006] Furthermore, two fixing sleeves are installed on the vertical pole 8.2, and a first elastic member is connected between the fixing sleeve on the lower side and the lower limit block 8.5, and the lower limit block 8.5 is pressed against the fixing sleeve on the upper side through the elastic member.

[0007] Furthermore, the loading component 9 includes a stepper motor 9.1 arranged above the platform 2, a connecting rod is arranged on the output shaft of the stepper motor 9.1, a sliding column 9.2 is arranged at the other end of the connecting rod, a rotating rod 9.3 is hinged on the platform 2 for slidably fitting the sliding column 9.2, a blanking plate 9.6 is slidably fitted on the two uprights on the right side, a placement hole corresponding to the mold cavity is opened on the blanking plate 9.6, a longitudinal slide rail 9.5 is vertically arranged on the lower side of the right end of the blanking plate 9.6, a slider 9.4 is hinged on the upper end of the rotating rod 9.3 and slidably fitted on the longitudinal slide rail 9.5, and a partitioning component for partitioning and releasing the placement hole is arranged on the blanking plate 9.6 and the concave block 8.4 on the left side.

[0008] Furthermore, a transverse slide rail 9.7 is laterally arranged on the inner side of the right column, and the blanking plate 9.6 is slidably fitted on the transverse slide rail 9.7 so as to move left and right. A support bar 14 for supporting the transverse slide rail 9.7 is obliquely arranged on the right end of the right column.

[0009] Furthermore, the spacing assembly includes a baffle 9.9 vertically arranged on the left side of the concave block 8.4, and a telescopic groove is horizontally opened at the left end of the blanking plate 9.6. A telescopic plate 9.8 that is slidably moved left and right in the telescopic groove and cooperates with the baffle 9.9 is provided, and a connecting hole corresponding to the placement hole is opened on the telescopic plate 9.8, and a second elastic member is connected between the telescopic plate 9.8 and the telescopic groove.

[0010] Furthermore, the unloading assembly includes a square box 11, which is rotatably connected to the unloading plate 9.6 via a rotating shaft, a third gear 12 is keyed to the rotating shaft, and a rack 13 meshing with the third gear 12 is provided at the right end of the transverse slide rail 9.7.

[0011] Furthermore, it also includes a blowing component 10, which includes a first gear 10.1 keyed to the output shaft of the stepper motor 9.1, a small gear 10.2 is meshed at the right end of the first gear 10.1, a large gear 10.3 is coaxially connected to the rear side of the small gear 10.2, and a second gear 10.4 is meshed at the right end of the large gear 10.3, and a blowing pump 10.5 driven by the second gear 10.4 is arranged above the platform 2, a nine-way blowing channel 10.6 is arranged in the blanking plate 9.6, and a spring air pipe is connected between the air outlet of the blowing pump 10.5 and the air inlet of the blowing channel 10.6.

[0012] Furthermore, spring balls 15 that can roll on the upper sub-plate 5.1 and the lower sub-plate 5.2 are symmetrically arranged on the front and rear sides of the bottom of the blanking plate 9.6, and an avoidance groove 16 for avoiding the square box 11 is opened at the right end of the frame plate 3.

[0013] Furthermore, when the blanking plate 9.6 moves to the right to the bottom, the square box 11 is in a vertical state. When the blanking plate 9.6 moves to the left, the rack 13 drives the square box 11 to rotate horizontally through the third gear 12, and then the third gear 12 separates from the rack 13.

[0014] Furthermore, the lower end surface of the upper limit block 8.6 is flush with the upper end surface of the upper dividing plate 5.1, and the upper end surface of the lower horizontal block 7 is flush with the upper end surface of the lower dividing plate 5.2.

[0015] The advantages of the present invention are that the upper dividing plate and the lower dividing plate can be automatically raised separately and then lowered and closed, and the bushing pushed down can be received and unloaded during the process of the separate raising, and the filling of the bushing core can be completed after the lowering and closing, which saves time and has a high degree of automation; when the cylinder ascends with the vertical rod, the concave block and the lower limit block through the connecting plate, the concave block first ascends with the upper dividing plate, and then the lower limit block ascends with the lower dividing plate, and the lower dividing plate stops after it hits the upper limit block, and then the vertical rod can continue to rise with the upper dividing plate through the concave block to push down the bushing, and the lower limit block has an elastic space on the vertical rod. It can keep the lower dividing plate stationary; the stepper motor rotates in the same direction to drive the connecting rod and the sliding column to rotate, the sliding column drives the rotating rod to rotate around the hinge point of the platform, and the rotating rod drives the longitudinal slide rail and the unloading plate to move left and right through the slider; the placement hole is separated by the telescopic plate to prevent the bushing core from falling, and when the upper dividing plate and the lower dividing plate are separated, the baffle rises accordingly, and the unloading plate drives the telescopic plate to move left, and the telescopic plate will not touch the baffle. When the upper dividing plate and the lower dividing plate are closed, the unloading plate drives the telescopic plate to move left, and the baffle makes the telescopic plate move relative to the unloading plate. The telescopic plate releases the placement hole, and the bushing core automatically falls into the mold cavity of the lower mold. , then the unloading plate moves right with the telescopic plate to reset, the telescopic plate resets under the action of the second elastic member, and the telescopic plate continues to partition; the square box, the rotating shaft, and the third gear move left with the unloading plate, and the stationary rack makes the square box turn horizontally through the third gear, and the square box is horizontally against the unloading plate and continues to move left to the bottom of the upper dividing plate to receive the bushing that comes down, the square box, the rotating shaft, and the third gear move right with the unloading plate, the square box flips to vertical, and the bushing in the square box is removed; during the left and right movement of the unloading plate, the stepper motor rotates in the same direction to drive the air pump to input air into the air blowing channel, The nine air outlets of the blowing channel are aimed at the mold separation cavities of the upper dividing plate and the lower dividing plate for blowing, and the speed is increased through the first gear, the small gear, the large gear and the second gear, so as to increase the blowing effect and blow away the waste materials on the mold separation cavities of the upper dividing plate and the lower dividing plate; the separated lower dividing plate is in the original position of the upper dividing plate, which is beneficial for the air outlet of the blowing channel to blow air to the mold separation cavities of the upper dividing plate and the lower dividing plate, and the spring ball can roll on the upper dividing plate or the lower dividing plate, so as to stabilize the blanking plate; the blanking plate moving left and right is stabilized by the spring ball rolling on the upper dividing plate and the lower dividing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 A perspective view of the present invention;

[0018] Figure 3 It is a front view of the present invention;

[0019] Figure 4 It is a right side view of the present invention;

[0020] Figure 5 A top view of the present invention;

[0021] Figure 6 for Figure 5 AA section view;

[0022] Figure 7 It is a cross-sectional view of the upper and lower sub-plates of the present invention when they are separately raised;

[0023] Figure 8 It is a cross-sectional view of the upper and lower dividing plates of the present invention when the blanking plate moves to the left and bottom after the upper and lower dividing plates are separately raised;

[0024] Fig. 9 It is a cross-sectional view of the upper dividing plate of the present invention when it rises to the bottom and pushes out the bushing to the square box;

[0025] Fig.10 It is a cross-sectional view of the present invention when the blanking plate is moved rightward and reset, and the upper and lower dividing plates are lowered and closed;

[0026] Fig.11 It is a cross-sectional view of the present invention when the upper dividing plate and the lower dividing plate are closed and the blanking plate is moved to the left to the bottom;

[0027] Fig.12 It is a front view of the present invention when the upper dividing plate and the lower dividing plate are closed and the blanking plate is moved to the left to the bottom;

[0028] Fig.13 for Figure 2 A magnified view of part B;

[0029] Fig.14 for Figure 6 Enlarged view of part C;

[0030] Fig.15 It is a partial stereogram of the present invention;. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0032] See also Figures 1 to 15The present invention provides an automatic loading and unloading device for an automobile bushing injection machine, which is an injection machine 1 for vulcanizing bushings. A lifting block is connected to the main cylinder of the injection machine, and two guide rails are longitudinally arranged on the lifting block. A lower mold 5 that can move forward and backward is arranged on the injection machine 1. The lower mold is slidably matched on the two guide rails for moving forward and backward. The displacement cylinder placed on the two guide rails drives the lower mold to move forward and backward. The lower mold 5 is composed of an upper dividing plate 5.1 and a lower dividing plate 5.2. The upper dividing plate 5.1 and the lower dividing plate 5.2 are symmetrically provided with upper horizontal blocks 6 and lower horizontal blocks 7 on the left and right sides, respectively. Return blocks are arranged around the lifting block. The lower mold moves back to the bottom of the upper mold of the injection machine, and the main cylinder drives the lower mold to close the mold with the upper mold. After the bushing is formed, the main cylinder drives the lifting block, the guide rail, and the lower mold to move downward, and the return block presses the lower mold to separate from the upper mold. It includes a platform 2, and a frame plate 3 is horizontally arranged above the platform 2 through a column. The frame plate The lower end of 3 is evenly distributed with a push column 4 for ejecting the bushing and corresponding to the mold cavity of the lower mold 5. A lifting assembly 8 is arranged on the platform 2, which can make the upper dividing plate 5.1 and the lower dividing plate 5.2 rise separately and then fall and close. The lifting assembly 8 includes a cylinder 8.1 arranged upward on the platform 2, the piston rod of the cylinder 8.1 is connected with a connecting plate 8.2, and vertical rods 8.3 are vertically arranged around the upper end of the connecting plate 8.2. The top of the vertical rod 8.2 is provided with a concave block 8.4 for accommodating the upper horizontal block 6 to extend into, and the upper end of the vertical rod 8.2 is elastically provided with a lower limit block 8.5 for jacking up the lower horizontal block 7, and the inner side of the column is provided with an upper limit block 8.6 for limiting the lower horizontal block 7. A loading assembly 9 connected to the two columns on the right and used for loading the bushing core into the lower mold 5 is arranged on the platform 2, and a discharging assembly for receiving and unloading the bushing is provided on the loading assembly 9. During the vulcanization process of the injection molding machine, the staff can have time to put the bushing core into the loading assembly in advance to save waiting time. After the vulcanization is completed and the lower mold moves forward to the bottom, the cylinder rises with the connecting plate, the vertical rod, the concave block, and the lower limit block. The concave block first rises with the upper dividing plate through the upper horizontal block, and then the lower limit block rises with the lower dividing plate through the top column of the lower horizontal block, thereby separating. Then the lower horizontal block stops after reaching the upper limit block, and the vertical rod and the concave block continue to rise with the upper dividing plate for a while and then stop. Figure 7 As shown, after the loading assembly and the unloading assembly are in place, Figure 8 As shown in FIG. 1 , the concave block continues to carry the upper dividing plate up for a while and then stops. The bushing in the dividing cavity of the upper dividing plate is pushed down by the ejector column and falls onto the unloading assembly. Fig. 9 As shown, the loading assembly is operated with the unloading assembly to remove the bushing, as shown in Fig.10 As shown, the cylinder then brings the connecting plate, the vertical rod, the concave block and the lower limit block down to reset, the upper dividing plate and the lower dividing plate close and reset, and then the loading assembly runs with the unloading assembly to load the bushing core in the loading assembly into the mold cavity of the lower mold, automatically completing the unloading of the bushing and the loading of the bushing core.

[0033] Two fixing sleeves are installed on the vertical rod 8.2, and a first elastic member is connected between the fixing sleeve on the lower side and the lower limit block 8.5, and the lower limit block 8.5 is pressed against the fixing sleeve on the upper side through the elastic member. The above arrangement can make the lower limit block elastically set on the vertical rod, and when the cylinder ascends with the vertical rod, the concave block and the lower limit block through the connecting plate, the concave block first ascends with the upper dividing plate, and then the lower limit block ascends with the lower dividing plate, and the lower dividing plate stops after it abuts against the upper block, and then the vertical rod can continue to ascend with the upper dividing plate through the concave block to push down the bushing, and the lower limit block has an elastic space on the vertical rod, which can keep the lower dividing plate immovable.

[0034] See also Figure 6 , Fig.12 , Fig.13 The loading assembly 9 includes a stepper motor 9.1 arranged above the platform 2, a connecting rod is arranged on the output shaft of the stepper motor 9.1, a sliding column 9.2 is arranged at the other end of the connecting rod, a rotating rod 9.3 which is slidably matched with the sliding column 9.2 is hinged on the platform 2, a blanking plate 9.6 is slidably matched with the two columns on the right side, a placement hole corresponding to the mold cavity is opened on the blanking plate 9.6, a longitudinal slide rail 9.5 is vertically arranged on the lower side of the right end of the blanking plate 9.6, a slider 9.4 which is slidably matched with the longitudinal slide rail 9.5 is hinged on the upper end of the rotating rod 9.3, a partition assembly for partitioning and releasing the placement hole is arranged on the blanking plate 9.6 and the concave block 8.4 on the left side, a transverse slide rail 9.7 is horizontally arranged on the inner side of the right column, the blanking plate 9.6 is slidably matched with the transverse slide rail 9.7 which is movably matched with the transverse slide rail 9.7, and a support bar 14 which supports the transverse slide rail 9.7 is obliquely arranged on the right end of the right column. The stepper motor drives the connecting rod and the sliding column to rotate, and the sliding column drives the rotating rod to rotate around the hinge point of the platform. The rotating rod drives the longitudinal slide rail and the blanking plate to move to the left to the bottom through the slider. Fig.12 As shown, the stepper motor continues to rotate without changing its direction, and the slide column drives the rotating rod to rotate around the hinge point of the platform. The rotating rod drives the longitudinal slide rail and the blanking plate to move to the right to the bottom through the slider, as shown in FIG. Figure 6 , 13 shown.

[0035] The spacing assembly includes a baffle 9.9 of the concave block 8.4 vertically arranged on the left side, a telescopic groove is horizontally provided at the left end of the blanking plate 9.6, a telescopic plate 9.8 is slidably provided in the telescopic groove and matched with the baffle 9.9, a connecting hole corresponding to the placement hole is provided on the telescopic plate 9.8, and a second elastic member is connected between the telescopic plate 9.8 and the telescopic groove. During the vulcanization process of the injection molding machine, the staff can put the bushing core into the placement hole and use the telescopic plate to prevent the bushing core from falling. After the vulcanization is completed and the lower mold moves forward to the bottom, when the upper dividing plate and the lower dividing plate are separated, the baffle rises accordingly, and the unloading plate moves the telescopic plate to the left, and the telescopic plate will not hit the baffle. The above is for receiving and unloading materials, and the bushing core will not fall. When the upper dividing plate and the lower dividing plate are closed, the unloading plate moves the telescopic plate to the left, and the baffle makes the telescopic plate move relative to the unloading plate. The telescopic plate releases the placement hole, and the placement hole is aligned with the mold cavity of the lower mold. The bushing core automatically falls into the mold cavity of the lower mold, and then the unloading plate moves the telescopic plate to the right to reset. The telescopic plate is reset under the action of the second elastic member, and the telescopic plate continues to separate.

[0036] The unloading assembly includes a square box 11, which is rotatably connected to the unloading plate 9.6 through a rotating shaft, and a third gear 12 is keyed to the rotating shaft. A rack 13 meshing with the third gear 12 is provided at the right end of the transverse slide rail 9.7. When the unloading plate 9.6 moves to the right to the bottom, the square box 11 is in a vertical state. When the unloading plate 9.6 moves to the left, the rack 13 drives the square box 11 to rotate to the horizontal through the third gear 12, and the third gear 12 is separated from the rack 13. The stepper motor moves the unloading plate to the left, and the unloading plate moves the square box, the rotating shaft, and the third gear to the left. After the stationary rack rotates the square box to the horizontal through the third gear, the third gear separates from the rack, and the square box is horizontally leaning against the unloading plate and continues to move to the left. The upper dividing plate rises and the push column pushes down the bushing in the upper plate, and the pushed down bushing just falls on the square box below. Then the unloading plate moves the square box to the right, and the third gear engages with the stationary rack and flips the square box to the vertical position, and the bushing in the square box is removed, thereby automatically catching the pushed down bushing, moving to the right and removing it from the square box.

[0037] See also Figure 2 , Figure 5, also includes a blowing component 10, the blowing component 10 includes a first gear 10.1 keyed to the output shaft of the stepper motor 9.1, the right end of the first gear 10.1 is meshed with a small gear 10.2, the rear side of the small gear 10.2 is coaxially connected with a large gear 10.3, the right end of the large gear 10.3 is meshed with a second gear 10.4, and a blowing pump 10.5 driven by the second gear 10.4 is arranged above the platform 2, a nine-way blowing channel 10.6 is arranged in the blanking plate 9.6, and a spring air pipe is connected between the air outlet of the blowing pump 10.5 and the air inlet of the blowing channel 10.6. The stepper motor drives the first gear to rotate, and the first gear drives the large gear to rotate through the small gear. The second gear is keyed with a driving shaft, and the driving shaft is connected to the fan blades in the blowing pump. The air is from the air inlet of the blowing pump through the fan blades and from the air outlet of the blowing pump to the blowing channel. The air outlet of the blowing channel is inclined downward and blows at the parting cavity of the upper dividing plate and the lower dividing plate. When unloading, the upper dividing plate and the lower dividing plate are separated, and the stepper motor drives the unloading plate to move left and right while driving the blowing component to blow the parting cavity of the lower dividing plate. When loading, the upper dividing plate and the lower dividing plate are closed, and the stepper motor drives the unloading plate to move left and right while driving the blowing component to blow the parting cavity of the upper dividing plate. The stepper motor increases the speed through the first gear, the small gear, the large gear and the second gear, thereby increasing the blowing effect and blowing away the waste materials on the parting cavity of the upper dividing plate and the lower dividing plate.

[0038] The lower end surface of the upper limit block 8.6 is flush with the upper end surface of the upper dividing plate 5.1, and the upper end surface of the lower horizontal block 7 is flush with the upper end surface of the lower dividing plate 5.2. The above arrangement allows the lower dividing plate to stop after hitting the upper limit block during separation and ascent, and the upper dividing plate continues to ascend, and the upper end surface of the lower dividing plate is at the upper end surface of the original upper dividing plate, and it is also beneficial for the air outlet of the blowing channel to blow air to the parting cavities of the upper dividing plate and the lower dividing plate, and the spring ball can roll on the upper dividing plate or the lower dividing plate, thereby facilitating the stability of the blanking plate.

[0039] See also Figure 8 , Fig.11 , spring balls 15 that can roll on the upper dividing plate 5.1 and the lower dividing plate 5.2 are symmetrically arranged on the front and rear sides of the bottom of the blanking plate 9.6, and an escape groove 16 for avoiding the square box 11 is opened at the right end of the frame plate 3. When the lower dividing plate rises to the upper limit block and the blanking plate moves to the left, the spring balls can roll on the lower dividing plate. When the lower dividing plate and the upper dividing plate descend to the bottom and the blanking plate moves to the left, the spring balls can roll on the upper dividing plate to prevent the left side of the blanking plate that moves to the left from being unsupported, thereby stabilizing the blanking plate that moves to the left.

[0040] The specific working process of the present invention is as follows: during the vulcanization process of the injection molding machine, the staff can have time to put the bushing core into the placement hole to save waiting time. After the vulcanization is completed and the lower mold moves forward to the bottom, the cylinder brings the connecting plate, the vertical rod, the concave block, and the lower limit block to rise. The concave block first rises with the upper dividing plate through the upper horizontal block, and then the lower limit block rises with the lower dividing plate through the top column of the lower horizontal block, thereby separating. Then the lower horizontal block stops after it reaches the upper limit block, and the vertical rod and the concave block continue to rise with the upper dividing plate for a period of time and then stop. Figure 7 As shown, the stepper motor drives the connecting rod and the sliding column to rotate, and the sliding column drives the rotating rod to rotate around the hinge point of the platform. The rotating rod drives the longitudinal slide rail and the blanking plate to move left through the slider, and the blanking plate drives the square box, the rotating shaft, and the third gear to move left at the same time. After the stationary rack rotates the square box to the horizontal through the third gear, the third gear is separated from the rack, and the square box is horizontally placed on the blanking plate and continues to move left. The square box is located below the upper dividing plate. At the same time, the stepper motor drives the blowing pump through the first gear, the small gear, the large gear, and the second gear to blow air through the blowing channel to the parting cavity of the lower dividing plate, as shown in FIG. Figure 8 As shown in the figure, the concave block continues to carry the upper dividing plate up for a while and then stops. The upper dividing plate rises and the bushing in the upper plate is pushed down by the top column. The bushing pushed down just falls into the square box below. Fig. 9 As shown in the figure, the stepper motor continues to rotate without changing its direction, and the blanking plate moves right with the square box. At the same time, the blowing assembly blows air to the parting cavity of the lower parting plate for the second time. The third gear meshes with the stationary rack and turns the square box to a vertical position. The bushing in the square box is removed, so that the bushing that comes down can be automatically received. Fig.10 As shown, the cylinder then brings the connecting plate, the vertical rod, the concave block, and the lower limit block down to reset, the upper and lower dividing plates close and reset, the stepper motor continues to rotate without changing direction, the unloading plate moves to the left to the bottom (located above the upper dividing plate), the baffle makes the telescopic plate move relative to the unloading plate, the telescopic plate releases the placement hole, the placement hole is aligned with the cavity of the lower die, and the bushing core automatically falls into the cavity of the lower die, as shown in FIG. Fig.11 , 12 As shown, the unloading plate then moves rightward with the telescopic plate to reset, and the telescopic plate resets under the action of the second elastic member, and the telescopic plate continues to separate, while the blowing assembly blows air to the mold cavity of the upper dividing plate, automatically completing the unloading and loading of the bushing and the loading of the bushing core, and at the same time blowing air to the upper dividing plate and the lower dividing plate for the second time.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An automatic loading and unloading device for an automobile bushing injection machine, an injection machine for vulcanizing bushings, wherein the injection machine is provided with a lower mold that can move forward and backward, and the lower mold is composed of an upper dividing plate and a lower dividing plate, and upper horizontal blocks and lower horizontal blocks are symmetrically provided on the left and right sides of the upper dividing plate and the lower dividing plate, respectively, and characterized in that: The cam is provided with a lifting mechanism, and the lifting mechanism comprises a lifting mechanism that is provided with a key, and a key is provided on the lifting mechanism, and the lifting mechanism comprises a key which is provided with a key and a key block, and a key is provided on the lifting mechanism.

2. The automatic loading and unloading device of the automobile bushing injection machine according to claim 1, characterized in that: Two fixing sleeves are installed on the vertical pole, a first elastic member is connected between the fixing sleeve on the lower side and the lower limit block, and the lower limit block is pressed against the fixing sleeve on the upper side through the elastic member.

3. The automatic loading and unloading device of the automobile bushing injection machine according to claim 1, characterized in that: The loading assembly includes a stepper motor arranged above the platform, a connecting rod is arranged on the output shaft of the stepper motor, a sliding column is arranged at the other end of the connecting rod, a rotating rod which allows the sliding column to slide is hinged on the platform, a blanking plate is slidably mounted on the two uprights on the right side so as to move left and right, a placement hole corresponding to the mold cavity is opened on the blanking plate, a longitudinal slide rail is vertically arranged on the lower side of the right end of the blanking plate, a slider which slides on the longitudinal slide rail is hinged on the upper end of the rotating rod, and a partitioning assembly for partitioning and releasing the placement hole is arranged on the blanking plate and the concave block on the left side.

4. The automatic loading and unloading device of the automobile bushing injection machine according to claim 3, characterized in that: A transverse slide rail is disposed transversely on the inner side of the right column, and the blanking plate is slidably fitted on the transverse slide rail so as to move left and right. A support bar for supporting the transverse slide rail is obliquely disposed on the right end of the right column.

5. The automatic loading and unloading device of the automobile bushing injection machine according to claim 3, characterized in that: The spacing assembly includes a baffle plate vertically arranged on the left side of the concave block, a telescopic groove is horizontally provided at the left end of the blanking plate, a telescopic plate is slidably provided in the telescopic groove and cooperates with the baffle plate, a connecting hole corresponding to the placement hole is provided on the telescopic plate, and a second elastic member is connected between the telescopic plate and the telescopic groove.

6. The automatic loading and unloading device of the automobile bushing injection machine according to claim 4, characterized in that: The unloading assembly includes a square box, which is rotatably connected to the unloading plate via a rotating shaft, a third gear is keyed to the rotating shaft, and a rack meshing with the third gear is provided at the right end of the transverse slide rail.

7. The automatic loading and unloading device of the automobile bushing injection machine according to claim 3, characterized in that: It also includes a blowing component, which includes a first gear keyed to the output shaft of the stepper motor, a small gear meshed at the right end of the first gear, a large gear coaxially connected to the rear side of the small gear, a second gear meshed at the right end of the large gear, a blowing pump driven by the second gear is arranged above the platform, a nine-way blowing channel is arranged in the blanking plate, and a spring air pipe is connected between the air outlet of the blowing pump and the air inlet of the blowing channel.

8. The automatic loading and unloading device of the automobile bushing injection machine according to claim 6, characterized in that: Spring balls which can roll on the upper dividing plate and the lower dividing plate are symmetrically arranged on the front and rear sides of the bottom of the blanking plate, and an avoidance groove for avoiding the square box is opened at the right end of the frame plate.

9. The automatic loading and unloading device of the automobile bushing injection machine according to claim 6, characterized in that: When the blanking plate moves to the right to the bottom, the square box is in a vertical state. When the blanking plate moves to the left, the rack drives the square box to be horizontal through the third gear, and then the third gear is separated from the rack.

10. The automatic loading and unloading device of the automobile bushing injection machine according to claim 1, characterized in that: The lower end surface of the upper limit block is flush with the upper end surface of the upper dividing plate, and the upper end surface of the lower horizontal block is flush with the upper end surface of the lower dividing plate.

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