A brick press

Abstract

The application discloses a brick press, which comprises a frame, a mould device, a brick pressing device and an ejection device. The frame comprises an upper beam, a lower beam and a stand column connected between the upper beam and the lower beam. The mould device comprises an upper mould set and a lower mould set. The ejection device is arranged below the lower mould set and comprises an ejection cylinder and a return cylinder. The brick press further comprises a backing plate which is detachably arranged between the lower beam and the lower mould set. The backing plate is provided with a clearance hole, and the bottom of the ejection cylinder and the return cylinder is arranged in the clearance hole. The application can optimize the stress condition of the lower beam, avoid stress fatigue of the lower beam, and facilitate processing of the clearance hole. In addition, the application has a wide application range, and customers do not need to update the mould according to the position of the clearance hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of brick forming equipment, in particular to a brick press. BACKGROUND

[0002] The brick press is a device for high-pressure pressing of green bricks by using a hydraulic device. The existing brick press mainly comprises a brick pressing device and an ejection device, wherein the brick pressing device is used for pressing green bricks and is usually arranged on an upper beam of the brick press, and the ejection device is used for ejecting the pressed green bricks and comprises an ejection cylinder and a return cylinder. In the existing ejection device, the ejection cylinder and the return cylinder are arranged in a lower beam. In order to install the ejection cylinder and the return cylinder, corresponding clearance holes need to be machined in the lower beam. Since the clearance holes are located at high-pressure stress points, stress concentration and stress exceeding the standard often occur in these hole positions, which makes the stress condition of the lower beam and the column of the brick press complex and prone to stress fatigue and other phenomena that affect the normal use of the brick press. Moreover, the mass of the lower beam of the existing brick press is as high as dozens of tons, and a large machine tool is required for machining, which is difficult to process and has a high processing cost. In addition, the ejection device is used in conjunction with an upper mold core and a lower mold core, and the positions of the clearance holes in the lower beam and the ejection device are calculated and designed according to the stress condition of the lower beam, which cannot be changed. Therefore, after purchasing the brick press, the original upper mold core and lower mold core may not be able to match the positions of the purchased ejection device and clearance holes, and the customer needs to purchase matching mold cores to use normally, which not only increases the use cost of the customer but also brings troubles to the customer in mold management and standardization. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a brick press that can optimize the stress condition of the lower beam, avoid stress fatigue of the lower beam, and facilitate the machining of clearance holes. In addition, the brick press has a wide range of applications, and the customer does not need to update the mold according to the position of the clearance hole.

[0004] To solve the above technical problems, the present application provides a brick press comprising a frame, a mold device, a brick pressing device and an ejection device. The frame comprises an upper beam, a lower beam, a column connected between the upper beam and the lower beam, and a steel wire layer for pre-tightening the upper beam, the lower beam and the column. The mold device comprises an upper mold set and a lower mold set. The brick pressing device comprises a movable beam, and the upper mold set is fixed on the movable beam.

[0005] The ejection device is arranged below the lower mold set, and the ejection device comprises an ejection cylinder and a return cylinder. The brick press further comprises a backing plate which is detachably arranged between the lower beam and the lower mold set. The thickness of the backing plate is greater than the vertical length of the ejection cylinder and the return cylinder. The backing plate is provided with a clearance hole, and the bottom of the ejection cylinder and the return cylinder is arranged in the clearance hole.

[0006] As an improvement of the above-mentioned scheme, the lower die set comprises a die frame, a lower die core, a push plate and a bottom plate, the ejection device further comprises a mounting plate, the ejection cylinder and the return cylinder are arranged in the mounting plate, the die frame surrounds the lower die core, the push plate and the bottom plate are sequentially arranged below the lower die core, the movable end of the ejection cylinder and the return cylinder is connected with the bottom of the push plate, the bottom plate is arranged above the mounting plate, and the mounting plate is fixedly connected with the backing plate.

[0007] As an improvement of the above-mentioned scheme, the upper die set further comprises an upper die core, the upper die core is fixed below the movable beam, and the position of the upper die core corresponds to the position of the lower die core.

[0008] As an improvement of the above-mentioned scheme, the brick pressing device is detachably fixed to the upper beam, the brick pressing device further comprises a hydraulic cylinder and a piston, an oil tank is arranged on the upper beam, a liquid filling channel is arranged between the hydraulic cylinder and the oil tank, a liquid filling valve is arranged in the hydraulic cylinder, a piston cavity is formed between the hydraulic cylinder and the piston, the liquid filling valve is in communication with the piston cavity, and the movable beam is fixed to the bottom of the piston.

[0009] As an improvement of the above-mentioned scheme, the side of the lower beam is provided with a first fixing block, the first fixing block protrudes from the front side surface of the lower beam, the side of the backing plate is provided with a second fixing block, the second fixing block protrudes from the front side surface of the backing plate, and the first fixing block and the second fixing block are connected with each other through fasteners.

[0010] As an improvement of the above-mentioned scheme, a first through hole is arranged in the backing plate, and the first through hole is connected with the lower beam through fasteners.

[0011] As an improvement of the above-mentioned scheme, the number of the frames is two, which are a front frame and a rear frame, the front frame and the rear frame are arranged at the front side and the rear side of the brick pressing device respectively, and the upper part and the lower part of the front frame and the rear frame are connected through upper screws and lower screws respectively.

[0012] As an improvement of the above-mentioned scheme, the front frame comprises a front upper beam, the rear frame comprises a rear upper beam, the upper screws are horizontally connected between the front upper beam and the rear upper beam, the bottom of the front upper beam and the rear upper beam is provided with a third fixing block, the third fixing block protrudes from the front side surface of the front upper beam and the rear upper beam, and the third fixing block is fixed with the hydraulic cylinder through fasteners.

[0013] As an improvement of the above-mentioned scheme, the lower beam further comprises a reinforcing beam, the front frame comprises a front lower beam, the rear frame comprises a rear lower beam, the lower screws are horizontally connected between the front lower beam and the rear lower beam, and the first fixing blocks are arranged at the front side of the front lower beam and the rear lower beam respectively.

[0014] As an improvement of the above scheme, the number of the frames is multiple, and the multiple frames are sequentially arranged from the front side and the rear side of the brick pressing device, and the upper part and the lower part of the multiple frames are connected by upper screw rods and lower screw rods respectively.

[0015] The present application has the following beneficial effects:

[0016] The brick press of the present application is provided with a frame, a mold device, a brick pressing device and an ejection device, the frame comprises an upper beam, a lower beam, a stand and a steel wire layer, the ejection device is arranged below the lower mold group, the ejection device comprises an ejection cylinder and a return cylinder, unlike the traditional brick press, the brick press of the present application is further provided with a backing plate, the backing plate is detachably arranged between the lower beam and the lower mold group, the backing plate is provided with an empty hole, the bottom of the ejection cylinder and the return cylinder is arranged in the empty hole, by separating the empty hole from the lower beam, firstly, the lower beam can avoid being affected by the stress of the empty hole, so that the overall stress condition is optimized, the stress is simpler than that of the traditional brick press, and stress fatigue is avoided, at the same time, the empty hole is arranged on the backing plate, the weight and volume of the backing plate are much smaller than those of the lower beam, and because the empty hole is no longer constrained by the stress condition of the lower beam, there are more optional setting positions on the backing plate, and the processing is more simple and convenient.

[0017] In addition, because the optional position of the empty hole is not affected by the lower beam, when leaving the factory, the backing plate and the empty hole can be processed into a shape and position that is adapted to the mold and ejection device of the customer according to the customer's demand, so that the original mold system of the customer can be adapted, and the brick pressing device is detachably fixed on the upper beam, the customer can replace different brick pressing devices and ejection devices according to different specifications of different molds, so that the customer does not need to update the mold according to the position of the empty hole, which is convenient for the customer to manage the mold, and makes the brick press of the present application have a wider application range. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of the first embodiment of the brick press of the present application from the first perspective;

[0019] Figure 2 is a cross-sectional structure schematic view of the first embodiment of the brick press of the present application from the second perspective;

[0020] Figure 3 is a cross-sectional structure schematic view of the first embodiment of the brick press of the present application from the third perspective;

[0021] Figure 4 is a cross-sectional structure schematic view of the first embodiment of the brick press of the present application from the third perspective;

[0022] Figure 5 is the first view of the second embodiment of the brick press of the present application, a schematic diagram of the cross-sectional structure;

[0023] Figure 6 is the first view of the third embodiment of the brick press of the present application, a schematic diagram of the cross-sectional structure;

[0024] Figure 7 is the first view of the fourth embodiment of the brick press of the present application, a schematic diagram of the cross-sectional structure;

[0025] Figure 8 is the first view of the existing brick press, a schematic diagram of the structure;

[0026] Figure 9 is the second view of the existing brick press, a schematic diagram of the cross-sectional structure;

[0027] Figure 10 is the third view of the existing brick press, a schematic diagram of the cross-sectional structure. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings. It is hereby declared that the up, down, left, right, front, back, inner and outer directions appearing or about to appear in the present application in the text are based on the drawings of the present application, and are not specific limitations on the present application.

[0029] Referring to Figures 8-10 , the existing brick press, wherein the brick pressing device 3` is usually arranged on the upper beam 11` of the brick press, the ejection device 4` includes an ejection oil cylinder 41` and a return oil cylinder 42`, the existing ejection oil cylinder 41` and return oil cylinder 42` are arranged in the lower beam 12`, in order to install the ejection oil cylinder 41` and return oil cylinder 42`, the corresponding clearance hole 51` needs to be processed in the lower beam 12`, since the clearance hole 51` is located at the high-pressure stress point, these hole positions often have the phenomenon of stress concentration and stress exceeding the standard, which makes the stress condition of the lower beam 12` and the column 13` of the brick press complex, and is easy to have the phenomenon of stress fatigue and other influences on the normal use of the brick press, and the mass of the lower beam 12` of the existing brick press is as high as dozens of tons, which needs a large machine tool to process, and has great processing difficulty and high processing cost. In addition, the ejection device 4` is used in matching with the upper mold core 211` and the lower mold core 222`, and the positions of the clearance hole 51` in the lower beam 12` and the ejection device 4` are calculated and designed according to the stress condition of the lower beam 12`, and the positions cannot be changed, therefore, after the customer purchases the brick press, the original upper mold core 211` and lower mold core 222` may not be able to match the positions of the purchased ejection device 4`, clearance hole 51` and the like, and therefore the customer needs to purchase the matching mold to use normally, which not only increases the use cost of the customer, but also brings troubles to the customer in mold management, standardization and other aspects.

[0030] In order to solve the above problems, referring to Figures 1-3 The first embodiment of the present application discloses a brick press, comprising a frame 1, a mold device 2, a brick pressing device 3 and an ejection device 4, the frame 1 comprises an upper beam 11, a lower beam 12 and a column 13 connected between the upper beam 11 and the lower beam 12, and a steel wire layer 14 for pre-tightening the upper beam 11, the lower beam 12 and the column 13, the upper beam 11 is arranged above the lower beam 12, the column 13 is arranged on the side of the upper beam 11 and the lower beam 12, and the upper beam 11, the lower beam 12 and the column 13 are wound together by steel wires to form an integral structure, and after leaving the factory, the upper beam 11, the lower beam 12 and the column 13 cannot be separated individually. In order to realize the function of pressing bricks, the mold device 2 comprises an upper mold group 21 and a lower mold group 22, the brick pressing device 3 comprises a movable beam 31, the upper mold group 21 is fixed on the movable beam 31, the movable beam 31 can drive the upper mold group 21 to move up and down, and cooperates with the lower mold group 22 to realize the function of pressing bricks. The ejection device 4 is arranged below the lower mold group 22, the ejection device 4 comprises an ejection cylinder 41 and a return cylinder 42, after the pressing is completed, the ejection cylinder 41 is used for lifting the lower mold group 22 and ejecting the green bricks, and the return cylinder 42 is used for returning the lower mold group 22 to the initial position, the brick press further comprises a backing plate 5, the backing plate 5 is detachably arranged between the lower beam 12 and the lower mold group 22, the thickness of the backing plate 5 is greater than the vertical length of the ejection cylinder 41 and the return cylinder 42, in order to leave a fixing space and a moving space for the ejection cylinder 41 and the return cylinder 42, the backing plate 5 is provided with a void hole 51, and the bottom of the ejection cylinder 41 and the return cylinder 42 is arranged in the void hole 51, unlike the traditional brick press, the void hole 51 is not arranged in the lower beam 12, and is not restricted by the stress condition of the lower beam 12.

[0031] The beneficial effects of the first embodiment of the present application are as follows:

[0032] The first embodiment of the invention is provided with a frame 1, a mold device 2, a brick pressing device 3 and an ejection device 4, the frame 1 comprises an upper beam 11, a lower beam 12, a column 13 and a steel wire layer 14, the ejection device 4 is arranged below the lower mold group 22, the ejection device 4 comprises an ejection cylinder 41 and a return cylinder 42, unlike the traditional brick press, the brick press of the invention is also provided with a backing plate 5, the backing plate 5 is detachably arranged between the lower beam 12 and the lower mold group 22, the backing plate 5 is provided with a void hole 51, the bottom of the ejection cylinder 41 and the return cylinder 42 is arranged in the void hole 51, by separating the void hole 51 from the lower beam 12, firstly, the lower beam 12 can avoid being affected by the stress of the void hole 51, so that the overall stress condition is optimized, the stress is simpler than the traditional brick press, and stress fatigue is avoided, at the same time, the void hole 51 is arranged on the backing plate 5, the weight and volume of the backing plate 5 are much smaller than those of the lower beam 12, and because the void hole 51 is no longer constrained by the stress condition of the lower beam 12, there are more optional setting positions on the backing plate 5, and the void hole 51 on the backing plate 5 is easier to process.

[0033] Because the backing plate 5 is detachable, during transportation, the backing plate 5 can be detached separately, thereby reducing the transportation weight of the brick press, further, the backing plate 5 is separately arranged, which can become a reinforcing structure of the lower beam 12, on the premise of improving the stress condition of the lower beam 12, the lower beam 12 can discard part of the mass for improving the strength to reduce the height of the lower beam 12, so that the lower beam 12 is shorter and lighter, to further reduce the transportation weight of the brick press, which is conducive to transporting the brick press by using a smaller truck, thereby reducing the transportation cost.

[0034] In addition, the shape and structure of the backing plate 5 can not be constrained by the cross section of the lower beam 12, so the shape of the backing plate 5 can be set specifically to improve the stress strength of the backing plate 5 and reduce the influence of the compression deformation of the lower beam 12 on the backing plate 5, so that the pressed bricks are more flat, thereby improving the product quality.

[0035] The lower mold set 22 includes a mold frame 221, a lower mold core 222, a push plate 223 and a bottom plate 224, the mold set is used to fix the lower mold core 222 and the push plate 223 and to place a blank, the bottom plate 224 is used to fix the mold frame 221, the ejecting device 4 further includes a mounting plate 43, the ejecting cylinder 41 and the return cylinder 42 are arranged in the mounting plate 43, the ejecting cylinder 41 and the return cylinder 42 can be fixed in the mounting plate 43, the mold frame 221 surrounds the lower mold core 222, the push plate 223 and the bottom plate 224 are sequentially arranged below the lower mold core 222, the movable ends of the ejecting cylinder 41 and the return cylinder 42 are connected with the bottom of the push plate 223, so that the ejecting cylinder 41 and the return cylinder 42 can control the push plate 223 to ascend and descend, and the bottom plate 224 is arranged above the mounting plate 43, the mounting plate 43 is fixedly connected with the backing plate 5, the backing plate 5 needs to leave a movable space of the ejecting cylinder 41 and the return cylinder 42, which is the avoiding hole 51, the position of the avoiding hole 51 can be designed according to the positions of the ejecting cylinder 41 and the return cylinder 42, and the ejecting cylinder 41 and the return cylinder 42 are used in conjunction with the lower mold set 22, so that the avoiding hole 51 can be designed according to different molds of customers to meet the requirements of the original molds of the customers, thereby reducing the expenses of the customers for purchasing new molds and reducing the mold management cost of the customers. Corresponding to the lower mold core 222, the upper mold set 21 further includes an upper mold core 211, the upper mold core 211 is fixed below the moving beam 31, the position of the upper mold core 211 corresponds to the position of the lower mold core 222, and when the moving beam 31 descends, the upper mold core 211 can be pressed into the lower mold core 222.

[0036] The brick pressing device 3 is detachably fixed to the upper beam 11, the brick pressing device 3 further includes a hydraulic cylinder 32 and a piston 33, the upper beam 11 is provided with an oil tank 111, the oil tank 111 can be arranged inside the upper beam 11 or detachably assembled on the upper beam 11, a liquid filling channel 34 is arranged between the hydraulic cylinder 32 and the oil tank 111, the hydraulic cylinder 32 is provided with a liquid filling valve 35, a piston cavity 36 is formed between the hydraulic cylinder 32 and the piston 33, the liquid filling valve 35 communicates with the piston cavity 36, the liquid filling valve 35 serves as a valve of the piston cavity 36 and is used to control liquid inflow, and the moving beam 31 is fixed to the bottom of the piston 33, and the internal pressure of the piston cavity 36 can control the descent of the moving beam 31.

[0037] Since the optional position of the clearance hole 51 is not affected by the lower beam 12, the cushion plate 5 and the clearance hole 51 can be processed into a shape and position suitable for the mold and the ejection device 4 of the customer according to the needs of the customer when leaving the factory, so that the original mold system of the customer can be adapted, and the brick pressing device 3 is detachably fixed on the upper beam 11, and the customer can replace different brick pressing devices 3 and ejection devices 4 according to different specifications of different molds, so that the customer does not need to update the mold according to the position of the clearance hole 51, which is convenient for the customer to manage the mold and makes the brick pressing machine of the application have a wider application range.

[0038] In the first embodiment, in order to fix the cushion plate 5, the lower beam 12 is provided with a first fixing block 121 protruding from the front side surface of the lower beam 12, the front side of the lower beam 12 being the side facing the operator, and the cushion plate 5 is provided with a second fixing block 52 protruding from the front side surface of the cushion plate 5, the front side of the cushion plate 5 being the side facing the operator, so as to facilitate the operator to operate and fix the first fixing block 121 and the second fixing block 52 connected to each other by fasteners, preferably bolts or screws. Through the connection of the fasteners, the cushion plate 5 and the lower beam 12 are detachably connected. This connection mode makes the deformation of the lower beam 12 not easily affect the cushion plate 5 and the ejection cylinder 41 and the return cylinder 42 in the cushion plate 5, so that the brick blank can be more flat during pressing and not easily have quality problems during ejection.

[0039] Referring to Figure 4 and Figure 5The present application also discloses a second embodiment, which differs from the first embodiment in the connecting structure between the backing plate 5 and the lower beam 12. In the second embodiment, the backing plate 5 is provided with a first through hole 53, which is connected to the lower beam 12 by a fastener. Before the ejection device 4 is installed, the backing plate 5 is first fixed to the lower beam 12. Because of the use of internal fixation, the second embodiment is more suitable for use in a brick press with a smaller volume, or matched with a pressing device with a smaller capacity. Specifically, the oil tank 111, the liquid filling valve 35, the piston 33 and the movable beam 31 form a detachable structure with the upper beam 11. When used by a customer, different specifications of oil tank 111, liquid filling valve 35 and other components can be replaced according to different products. For example, when a brick blank with a smaller pressing area and a smaller forming pressure needs to be pressed, a smaller oil tank 111, liquid filling valve 35 and piston 33 can be selected, so that the movable beam 31 is easier to drive and can be driven with less energy. The traditional brick press cannot realize the above replacement. Because the brick press is generally placed in the press foundation, the cost of digging a press foundation is generally high. Because the upper beam 11`, the lower beam 12` and the column 13` cannot be changed, the matching ejection device 4` cannot be replaced, so that the original mold cannot be replaced, and therefore only the matching pressing device 3` can be used. If the pressing device 3` needs to be replaced, the upper beam 11` and the lower beam 12` and other components matched therewith need to be replaced, the cost of the components of the frame is high, which often accounts for about 1 / 3 of the total cost of the brick press. At the same time, the press foundation also needs to be dug again, so that a high cost needs to be paid. The customer can replace different pressing devices 3 according to different products without replacing the corresponding frame 1, which not only saves a lot of cost, but also improves the flexibility of use and reduces the cost of mold management.

[0040] Referring to Figure 6In the third embodiment, the upper beam 11 and the lower beam 12 are divided into two parts, i.e. a double-frame structure, the frame 1 is a front frame and a rear frame, the front frame and the rear frame are arranged on the front side and the rear side of the brick pressing device 3 respectively, and the front frame and the rear frame constitute the support and fixation of the front side and the rear side of the brick press, the upper part and the lower part of the front frame and the rear frame are connected by the upper screw rod 114 and the lower screw rod 125 respectively. The front frame comprises a front upper beam 112, the rear frame comprises a rear upper beam 113, the upper screw rod 114 is horizontally connected between the front upper beam 112 and the rear upper beam 113, and the bottom of the front upper beam 112 and the rear upper beam 113 is provided with a third fixing block 115, the third fixing block 115 protrudes from the side surface of the front upper beam 112 and the rear upper beam 113, and the third fixing block 115 is fixed with the hydraulic cylinder 32 by a fastener. Similarly, the front frame comprises a front lower beam 123, the rear frame comprises a rear lower beam 124, and the lower screw rod 125 is horizontally connected between the front lower beam 123 and the rear lower beam 124, and at this time, the first fixing block 121 is arranged on the front side of the front lower beam 123 and the rear lower beam 124 respectively, i.e. the side facing the operator, so as to facilitate the operation of the operator. In the double-frame structure, the upper beam 11 and the lower beam 12 are divided into two parts to form two frames, and the stress condition of the upper beam 11 and the lower beam 12 is optimized, but at the same time, the stress area of the lower beam 12 is reduced. By arranging the air-avoiding hole 51 on the backing plate 5, the problems of stress concentration and excessive stress of the lower beam 12 can be further avoided, and the backing plate 5 can play a reinforcing role for the double-frame lower beam 12 structure, i.e. the backing plate 5 not only replaces the front lower beam 123 and the rear lower beam 124 to become the stress structure of the lower die set 22, but also provides more solid support for the bottom plate 224, so as to avoid the deformation of the green brick and facilitate the molding of the green brick.

[0041] Referring to Figure 7 In the fourth embodiment, the upper beam 11 and the lower beam 12 are divided into multiple parts and arranged in sequence from the front side to the rear side of the brick pressing device 3, and the upper part and the lower part of the multiple frames 1 are connected by the upper screw rod 114 and the lower screw rod 125 respectively. In the multi-frame structure, the upper beam 11 and the lower beam 12 are divided into multiple parts and arranged in sequence from the front side to the rear side of the brick pressing device 3, the frame 1 located in the middle part can provide support for the backing plate 5, further improve the stress strength of the backing plate 5, and optimize the stress condition of the upper beam 11 and the lower beam 12, and at the same time, the backing plate 5 is enhanced under the multi-frame structure, further improving the pressing quality of the green brick.

[0042] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can also make several improvements and refinements, these improvements and refinements are also considered to be within the scope of the present application.

Claims

1. A brick press, characterized in that, The frame comprises an upper beam, a lower beam, a column connected between the upper beam and the lower beam, and a steel wire layer for pre-tightening the upper beam, the lower beam and the column, the mold device comprises an upper mold set and a lower mold set, the brick pressing device comprises a movable beam, and the upper mold set is fixed on the movable beam; The ejection device is arranged below the lower mold set, the ejection device comprises an ejection cylinder and a return cylinder, the brick press further comprises a backing plate, the backing plate is detachably arranged between the lower beam and the lower mold set, the thickness of the backing plate is greater than the vertical length of the ejection cylinder and the return cylinder, the backing plate is provided with a clearance hole, and the bottom of the ejection cylinder and the return cylinder is arranged in the clearance hole; The lower mold set comprises a mold frame, a lower mold core, a push plate and a bottom plate, the ejection device further comprises a mounting plate, the ejection cylinder and the return cylinder are arranged in the mounting plate, the mold frame surrounds the lower mold core, the push plate and the bottom plate are sequentially arranged below the lower mold core, the movable end of the ejection cylinder and the return cylinder is connected with the bottom of the push plate, the bottom plate is arranged above the mounting plate, and the mounting plate is fixedly connected with the backing plate; The brick pressing device is detachably fixed on the upper beam, the brick pressing device further comprises a hydraulic cylinder and a piston, the upper beam is provided with an oil tank, a liquid filling channel is arranged between the hydraulic cylinder and the oil tank, a liquid filling valve is arranged in the hydraulic cylinder, a piston cavity is formed between the hydraulic cylinder and the piston, the liquid filling valve is communicated with the piston cavity, and the movable beam is fixed on the bottom of the piston.

2. - The press according to claim 1, characterized in that, The upper mold set further comprises an upper mold core, the upper mold core is fixed below the movable beam, and the position of the upper mold core corresponds to the position of the lower mold core.

3. The brick press according to claim 1, characterized in that The side of the lower beam is provided with a first fixing block, the first fixing block protrudes from the side surface of the lower beam, the side of the backing plate is provided with a second fixing block, the second fixing block protrudes from the side surface of the backing plate, and the first fixing block and the second fixing block are connected with each other through fasteners.

4. - The press according to claim 1 or 2, characterized in that, The backing plate is provided with a first through hole, and the first through hole is connected with the lower beam through fasteners.

5. A brick press according to claim 3, characterised in that The number of the frame is two, which are a front frame and a rear frame, the front frame and the rear frame are arranged on the front side and the rear side of the brick pressing device respectively, and the upper part and the lower part of the front frame and the rear frame are connected through upper screws and lower screws respectively.

6. A brick press according to claim 5, characterised in that The front frame comprises a front upper beam, the rear frame comprises a rear upper beam, the upper screws are horizontally connected between the front upper beam and the rear upper beam, the bottom of the front upper beam and the rear upper beam is provided with a third fixing block, the third fixing block protrudes from the side surface of the front upper beam and the rear upper beam, and the third fixing block is fixed with the hydraulic cylinder through fasteners.

7. A brick press according to claim 5, characterised in that The front frame comprises a front lower beam, the rear frame comprises a rear lower beam, the lower screws are horizontally connected between the front lower beam and the rear lower beam, and the first fixing blocks are arranged on the side of the front lower beam and the rear lower beam respectively.

8. A brick press according to claim 3, characterised in that The number of the frames is multiple, and the multiple frames are sequentially arranged from the front side to the rear side of the brick pressing device, and the upper part and the lower part of the multiple frames are connected by the upper screw rod and the lower screw rod, respectively.

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