In-place valve opening device of transfer hopper

Abstract

An in-place valve opening device of a transfer hopper belongs to the technical field of valves, is matched with a discharge valve at the bottom of the transfer hopper and comprises a fixing plate arranged on a discharge station support. The two mounting plates are arranged below the fixing plate in parallel, the telescopic air cylinder is positioned between the two mounting plates by virtue of a rotating shaft, the shifting fork is mounted at the output end of the telescopic air cylinder by virtue of a guide mechanism positioned at the side parts of the mounting plates, and the air cylinder resetting mechanism is positioned between the lower section of the telescopic air cylinder and the mounting plates. And an opening structure of a transfer hopper valve is designed at an unloading station, so that the function of automatic unloading is achieved, and the labor cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of valve technology, specifically relating to a valve opening device for a transfer hopper. Background Technology

[0002] In automated batching systems, the harsh production environment necessitates extremely strict protective measures for workers involved in batching. Therefore, transfer trolleys and hoppers are widely used in automated batching to facilitate transitions between production and batching stations. However, this approach has several drawbacks in actual production, particularly when transitioning between stations at different heights. Powering the transfer hoppers becomes difficult, so they are typically not equipped with automatic valves. This significantly hinders automated batching and production, impeding the realization of fully automated batching processes. This invention aims to solve the problem of opening the door of the transfer hopper during material unloading after station transitions. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a valve opening device for a transfer hopper, which designs the valve opening structure of the transfer hopper at the unloading station to achieve the function of automated unloading and reduce labor costs.

[0004] The technical solution adopted by this utility model is: a valve opening device for a transfer hopper, which cooperates with the unloading valve at the bottom of the transfer hopper, including a fixed plate set on the unloading station bracket. The device also includes a telescopic cylinder set below the fixed plate and parallel to two mounting plates, positioned between the two mounting plates by means of a rotating shaft, a fork mounted on the output end of the telescopic cylinder by means of a guide mechanism positioned on the side of the mounting plate, and a cylinder reset mechanism positioned between the lower section of the telescopic cylinder and the mounting plate.

[0005] Furthermore, the guiding mechanism includes two guide sleeves respectively disposed on the top of the telescopic cylinder and the side of the mounting plate, a guide rod fitted inside the guide sleeve, and a shift fork mounting plate disposed together on the top of the guide rod and the top of the output end of the telescopic cylinder, wherein the shift fork is fixed on the upper surface of the shift fork mounting plate.

[0006] Furthermore, the cylinder reset mechanism includes a positioning rod positioned between two mounting plates and a cylinder reset spring connected between the positioning rod and the lower section of the telescopic cylinder.

[0007] Furthermore, a reinforcing plate is provided between the lower surface of the fixing plate and the outer side of the mounting plate.

[0008] Furthermore, the upper surface of the shift fork is provided with an arc-shaped through groove.

[0009] Furthermore, the discharge valve includes a collection funnel located at the bottom of the transfer hopper, a protective shell fitted over the collection funnel, and a matching discharge assembly. The discharge assembly includes a push rod and a matching pull rod symmetrically hinged to the outside of the protective shell via a pivot, a first connecting rod symmetrically hinged to the inside of the protective shell via a pivot, a second connecting rod and a valve plate connecting rod symmetrically hinged to the outside of the collection funnel, a valve plate assembly located at the bottom of the valve plate connecting rod and cooperating with the discharge port of the collection funnel, and a reset mechanism located between the protective shell and the push rod. The free end of the first connecting rod is hinged to the top of the valve plate connecting rod, and the free end of the second connecting rod is hinged to the hinge point of the valve plate connecting rod.

[0010] Furthermore, the reset mechanism includes an adjusting screw positioned at the free end of the push rod and a matching reset spring, with one end of the reset spring connected to the adjusting screw and the other end connected to the outside of the protective shell.

[0011] Furthermore, the valve plate assembly includes a valve plate connected to the bottom of the valve plate connecting rod via an adjusting and locking mechanism; the adjusting and locking mechanism includes a support base, connecting seats symmetrically arranged on both sides of the support base, a support sleeve disposed between the support base and the valve plate, and a compression spring fitted on the support sleeve; the connecting seats are connected to the bottom of the valve plate connecting rod via a latch; the latch includes a latch body fitted on the connecting seat and the valve plate connecting rod and a matching locking bolt; the support sleeve includes a lower sleeve disposed on the upper end face of the support base and an upper sleeve disposed on the lower end face of the valve plate.

[0012] The beneficial effects of this utility model are as follows: by designing the opening structure of the transfer hopper valve at the unloading station, the function of automated unloading is achieved, reducing labor costs. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the unloading station position of this utility model;

[0015] Figure 3 This is a schematic diagram of the unloading valve.

[0016] Figure 4 yes Figure 3 Structural sectional view;

[0017] Figure 5 yes Figure 4 Enlarged view of A in the middle;

[0018] In the attached diagram: 1 is the summing funnel, 2 is the protective shell, 3 is the rotating shaft, 4 is the push rod, 4-1 is the pull rod, 4-2 is the adjusting screw, 4-3 is the return spring, 5 is the first connecting rod, 6 is the second connecting rod, 7 is the valve plate connecting rod, 8 is the valve plate, 9-1 is the support base, 9-2 is the connecting base, 9-3 is the compression spring, 9-4 is the locking body, 9-5 is the lower sleeve, 9-6 is the upper sleeve, 10 is the fixing plate, 11 is the mounting plate, 12 is the telescopic cylinder, 13 is the shift fork, 14-1 is the guide rod, 14-2 is the shift fork mounting plate, 15-1 is the positioning rod, and 15-2 is the cylinder return spring. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0020] See appendix Figure 1-2 A valve opening device for a transfer hopper, cooperating with a discharge valve at the bottom of the transfer hopper, includes a fixed plate 10 mounted on a discharge station bracket. The device further includes a telescopic cylinder 12 positioned between two mounting plates 11 parallel to each other below the fixed plate 10, located between the two mounting plates 11 by a rotating shaft; a fork 13 mounted at the output end of the telescopic cylinder by a guide mechanism positioned on the side of the mounting plates 11; and a cylinder reset mechanism positioned between the lower section of the telescopic cylinder 12 and the mounting plates 11. The guide mechanism includes two guide sleeves respectively located at the top of the telescopic cylinder 12 and the side of the mounting plates 11; a guide rod 14-1 fitted inside the guide sleeves; and a fork mounting plate 14-2 jointly located at the top of the guide rod and the top of the output end of the telescopic cylinder. The fork 13 is fixed to the upper surface of the fork mounting plate 14-2. The cylinder reset mechanism includes a positioning rod 15-1 positioned between the two mounting plates 11 and a cylinder reset spring 15-2 connecting the positioning rod 15-1 and the lower section of the telescopic cylinder 12. A reinforcing plate is provided between the lower surface of the fixing plate 10 and the outer side of the mounting plate 11. The upper surface of the shift fork 13 is provided with an arc-shaped through groove.

[0021] This device is installed at the unloading station of the transfer hopper conveyor via a fixing plate 10. When the transfer hopper needs to unload at the unloading station, the telescopic cylinder 12 receives a control command and begins to rise. With the guidance of the guide rod 14-1, the shift fork 13 pushes up the pull rod 4-1 of the transfer hopper unloading valve, thereby opening the transfer hopper valve plate 8. The telescopic cylinder 12 can rotate in coordination when the pull rod 4-1 is lifted, and then returns to the initial position through the cylinder return spring 15-2. Finally, the material in the transfer hopper flows into the next station, realizing automated material transfer and unloading.

[0022] See appendix Figure 3The discharge valve includes a collection funnel 1 located at the bottom of the transfer hopper, a protective shell 2 fitted over the collection funnel 1, and a matching discharge assembly. The discharge assembly includes a push rod 4 and a matching pull rod 4-1 symmetrically hinged to the outside of the protective shell 2 via a pivot 3; a first connecting rod 5 symmetrically hinged inside the protective shell 2 via a pivot 3; a second connecting rod 6 and a valve plate connecting rod 7 symmetrically hinged to the outside of the collection funnel 1; a valve plate assembly located at the bottom of the valve plate connecting rod 7 and engaging with the discharge port of the collection funnel 1; and a reset mechanism located between the protective shell 2 and the push rod 4. The free end of the first connecting rod 5 is hinged to the top of the valve plate connecting rod 7, and the free end of the second connecting rod 6 is hinged to the hinge point of the valve plate connecting rod 7. The two ends of the pull rod 4-1 are welded between the free ends of the two push rods 4. The reset mechanism includes an adjusting screw 4-2 positioned at the free end of the push rod 4 and a matching reset spring 4-3. One end of the reset spring 4-3 is connected to the adjusting screw 4-2, and the other end is connected to the outside of the protective shell 2.

[0023] See appendix Figure 4 and 5 The valve plate assembly includes a valve plate 8 connected to the bottom of a valve plate connecting rod 7 via an adjusting and clamping mechanism. The adjusting and clamping mechanism includes a support base 9-1, connecting bases 9-2 symmetrically arranged on both sides of the support base 9-1, a support sleeve between the support base 9-1 and the valve plate 8, and a compression spring 9-3 fitted onto the support sleeve. The connecting base 9-2 is connected to the bottom of the valve plate connecting rod 7 via a latch. The latch includes a latch body 9-4 fitted onto the connecting base 9-2 and the valve plate connecting rod 7, and a matching locking bolt. The support sleeve includes a lower sleeve 9-5 located on the upper end face of the support base 9-1 and an upper sleeve 9-6 located on the lower end face of the valve plate 8. The valve plate 8 and the collecting funnel 1 can be further sealed by a sealing ring; the adjusting and clamping mechanism allows for fine adjustment of the pre-tightening force between the valve plate 8 and the collecting funnel 1, adapting to the transfer and unloading of different materials. A limit structure for the telescopic stroke is provided between the lower sleeve 9-5 and the upper sleeve 9-6.

[0024] In the initial state, one end of the return spring 4-3 is fixed to the protective shell 2, and the other end is fixed to the adjusting screw 4-2. The adjusting screw 4-2 is welded to the push rod 4, and the push rod 4 is hinged to the rotating shaft 3. The bearing seat of the rotating shaft 3 is fixed to the protective shell 2. The first connecting rod 5 is fixed to the rotating shaft 3 by a set screw. The first connecting rod 5 is hinged to the valve plate connecting rod 7. The middle part of the valve plate connecting rod 7 is hinged to the collecting funnel 1. One end of the second connecting rod 6 is hinged to the collecting funnel 1, and the other end is coaxially hinged to the middle part of the valve plate connecting rod 7. The valve plate connecting rod 7 and the adjusting clamping mechanism are connected to the valve plate 8.

[0025] Adjusting the adjusting screw 4-2 appropriately stretches the return spring 4-3, causing the push rod 4 to be subjected to a downward pulling force. This force is transmitted to the first connecting rod 5 via the rotating shaft 3, and then to the valve plate connecting rod 7. The valve plate connecting rod 7 presses the valve plate 8 onto the outlet of the collecting funnel 1, thereby achieving a sealing effect. Even if there is significant shaking during the transfer process, the valve plate 8 will remain tightly fitted to the collecting funnel 1 under the action of the return spring 4-3, preventing material leakage.

[0026] When in the open state, due to the use of the flat seal of the valve plate 8 and the action of the second connecting rod 6, the valve plate 8 moves obliquely downward, thereby avoiding the possibility of material getting stuck in the gap between the valve plate 8 and the collecting funnel 1. The valve plate 8 will not be jammed due to material blockage.

[0027] The valve opening device of this utility model is installed at the unloading position of the transfer hopper conveyor, see attached figure. Figure 2 When the transfer hopper moves to the unloading station and needs to unload, the unloading valve of the transfer hopper is automatically opened to achieve automated unloading.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A transfer hopper in-place valve opening device, which cooperates with the discharge valve at the bottom of the transfer hopper, comprising a fixed plate (10) arranged on the support of the discharge station, characterized in that: The device further comprises two installation plates (11) arranged in parallel below the fixed plate (10), a telescopic cylinder (12) positioned between the two installation plates (11) by means of a rotating shaft, a yoke (13) mounted on the output end of the telescopic cylinder by means of a guide mechanism positioned on the side of the installation plate (11), and a cylinder reset mechanism positioned between the lower section of the telescopic cylinder (12) and the installation plate (11).

2. The in-place valve door opening device for a transfer hopper of claim 1, wherein: The guide mechanism comprises two guide sleeves respectively arranged on the top of the telescopic cylinder (12) and the side of the installation plate (11), a guide rod (14-1) sleeved in the guide sleeves, and a yoke mounting plate (14-2) arranged on the top of the guide rod and the output end of the telescopic cylinder, wherein the yoke (13) is fixed on the upper end surface of the yoke mounting plate (14-2).

3. The in-place valve door opening device for a transfer hopper of claim 1, wherein: The cylinder reset mechanism comprises a positioning rod (15-1) positioned between the two installation plates (11), and a cylinder reset spring (15-2) connected between the positioning rod (15-1) and the lower section of the telescopic cylinder (12).

4. The in-place valve door opening device for a transfer hopper of claim 1, wherein: A reinforcing plate is arranged between the lower surface of the fixed plate (10) and the outer side of the installation plate (11).

5. The in-place valve door opening device for a transfer hopper of claim 1, wherein: An arc-shaped through slot is arranged on the upper surface of the yoke (13).

6. The in-place valve door opening device for a transfer hopper of claim 1, wherein: The unloading valve comprises a collection hopper (1) arranged at the lower part of the transfer hopper, a protective shell (2) sleeved on the outside of the collection hopper (1), and a matched unloading assembly, wherein the unloading assembly comprises a push rod (4) and a matched pull rod (4-1) symmetrically hinged on the outside of the protective shell (2) by means of a rotating shaft (3), a first connecting rod (5) symmetrically hinged on the inside of the protective shell (2) by means of the rotating shaft (3), a second connecting rod (6) and a valve plate connecting rod (7) symmetrically hinged on the outside of the collection hopper (1), a valve plate assembly arranged at the bottom of the valve plate connecting rod (7) and matched with the discharge port of the collection hopper (1), and a reset mechanism arranged between the protective shell (2) and the push rod (4), wherein the free end of the first connecting rod (5) is hinged with the top of the valve plate connecting rod (7), and the free end of the second connecting rod (6) is hinged and connected at the hinge of the valve plate connecting rod (7).

7. The in-place valve door opening device for a transfer hopper of claim 6, wherein: The reset mechanism comprises an adjusting screw rod (4-2) positioned at the free end of the push rod (4) and a matched reset spring (4-3), wherein one end of the reset spring (4-3) is connected with the adjusting screw rod (4-2), and the other end is connected with the outside of the protective shell (2).

8. The in-place valve door opening device for a transfer hopper of claim 6, wherein: The valve plate assembly comprises a valve plate (8) connected with the bottom of the valve plate connecting rod (7) by means of an adjusting clamping mechanism; the adjusting clamping mechanism comprises a support seat (9-1), a connecting seat (9-2) symmetrically arranged on both sides of the support seat (9-1), a support sleeve arranged between the support seat (9-1) and the valve plate (8), and a compression spring (9-3) sleeved on the support sleeve, wherein the connecting seat (9-2) is connected with the bottom of the valve plate connecting rod (7) by means of a lock buckle; the lock buckle comprises a lock buckle body (9-4) sleeved on the connecting seat (9-2) and the valve plate connecting rod (7), and a matched locking bolt; the support sleeve comprises a lower sleeve (9-5) arranged on the upper end surface of the support seat (9-1) and an upper sleeve (9-6) arranged on the lower end surface of the valve plate (8).

Images