Semi-closed press

Abstract

The invention relates to a semi-closed press machine which comprises a machine body, a sliding block arranged on the machine body and a driving device used for driving the sliding block to move longitudinally, and an upper die clamping device used for rapidly clamping an upper die plate is arranged at the bottom of the sliding block. The upper die clamping device comprises a base body and at least two power mechanisms, the base body is used for being fixedly connected with the sliding block, the power mechanisms are symmetrically arranged in the base body, each power mechanism is provided with a telescopic end, a clamping arm is rotationally connected to the telescopic end, and the clamping arms are controlled to clamp or loosen the upper die plate through the power mechanisms. The technical problems that in the die changing process of an existing semi-closed press, workers need to unscrew / screw a large number of bolts one by one, time consumption is long, labor intensity is large, and efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of forging equipment, and particularly relates to a semi-closed press. BACKGROUND

[0002] The semi-closed press is widely used in precise stamping, stretch forming and other processes due to its good rigidity of body structure and convenient operation. For example, a semi-closed press is disclosed in Chinese Patent Application No. CN108544792A, which comprises a body, a workbench, a sliding block, a transmission mechanism and a driving motor. Two main wall plates are arranged at the two sides of the front end of the body, and a workbench mounting hole is arranged on the wall of each main wall plate. The workbench is arranged on the top of the bottom end face of the two workbench mounting holes. The sliding block is arranged on the top end of the workbench and located between the two main wall plates. The sliding block is connected with the main wall plates through a guide rail mechanism. The sliding block is in transmission connection with the transmission mechanism. The transmission mechanism is connected with the driving motor.

[0003] In the above patent, the bottom of the sliding block is sequentially provided with a first sliding block plate and a second sliding block plate (i.e. an upper die). The second sliding block plate is fixedly connected with the first sliding block plate through bolts. The second sliding block plate 37 can be disassembled and repaired or replaced by loosening the bolts. However, this way of fixing the upper die through bolts requires workers to loosen / tighten a large number of bolts one by one during die changing, which is time-consuming, labor-intensive and low in efficiency. SUMMARY

[0004] The present application aims to provide a semi-closed press to solve the technical problem of long time consumption, high labor intensity and low efficiency caused by the workers loosening / tightening a large number of bolts one by one during die changing of the existing semi-closed press.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is as follows: a semi-closed press, comprising a body, a sliding block arranged on the body and a driving device for driving the longitudinal movement of the sliding block. The bottom of the sliding block is provided with an upper die clamping device for quickly clamping an upper die plate. The upper die clamping device comprises a base body for fixed connection with the sliding block and at least two power mechanisms symmetrically arranged in the base body. The power mechanism has an extension end, and a clamping arm is rotatably connected to the extension end. The clamping arm is clamped or loosened by the power mechanism.

[0006] Preferably, the base body comprises a top plate and a bottom plate, and a cavity is formed between the top plate and the bottom plate. The power mechanisms are symmetrically arranged in the cavity in sequence and fixed by a limiting mechanism. A sliding groove is formed in the bottom plate, and the extension end extends to the lower side of the bottom plate through the sliding groove. The clamping arm is hinged to the end thereof through a connecting assembly.

[0007] Preferably, the connecting assembly comprises a movable seat fixed on the telescopic end, the movable seat is hinged through the rear side of the first driving member and the clamping arm, the telescopic end is provided with an ejection part, the ejection part protrudes from the movable seat and can push the clamping arm to rotate.

[0008] Preferably, one side of the telescopic end is provided with an auxiliary rod, the auxiliary rod is fixed below the power mechanism and is arranged in parallel with the telescopic end, one end of the auxiliary rod away from the power mechanism is hinged at the center position of the clamping arm through the second driving member, the movable seat and the second driving member are further hinged with the third driving member.

[0009] Preferably, the upper surface of the upper die plate is detachably provided with a plurality of die pull nails, the number of the die pull nails is equal to that of the clamping arms, the die pull nail comprises a nail cap, a nail body and a screwing part, the clamping arm is provided with a guide groove matched with the nail body, the nail body is transferred into the clamping arm through the guide groove and the die pull nail is longitudinally limited by the nail cap.

[0010] Preferably, the limiting mechanism comprises adjustment grooves arranged in sequence on the upper surface of the bottom plate, the adjustment grooves are provided with a plurality of positioning holes, one side of the power mechanism is fixed with an adjustment block, the adjustment block is provided with mounting holes corresponding to the positioning holes, the positioning holes and the mounting holes are connected with fasteners to fix the power mechanism.

[0011] Preferably, the power mechanism is a hydraulic oil cylinder or a pneumatic cylinder or an electric cylinder.

[0012] Preferably, the machine body is horizontally provided with a workbench, the workbench is installed with a lower die plate, the lower die plate and the upper die plate are correspondingly arranged.

[0013] Preferably, the base body and the sliding block are fixedly connected in a threaded locking manner.

[0014] Preferably, the upper die clamping device further comprises a proximity switch for detecting the position of the clamping arm and a pressure sensor for detecting the clamping pressure of the power mechanism, the proximity switch is correspondingly installed on one side of the machine body relative to the clamping arm, and the pressure sensor is installed at the end position of the telescopic end.

[0015] Compared with the prior art, the present application has the following beneficial effects: the upper die clamping device is arranged below the sliding block and is composed of a base body, a power mechanism and clamping arms, the clamping arms are controlled to extend and retract by the power mechanism to clamp and release the upper die module during replacement of the upper die module, so that the upper die plate can be quickly replaced, and it is not necessary to loosen and tighten a large number of bolts to fix the upper die plate; specifically, when the upper die plate is disassembled, the sliding block is controlled to slide down to a preset die replacement height by the control system, the height can be adjusted according to different material receiving modes, such as a crane receiving mode, a forklift receiving mode or a platform receiving mode, then the equipment responsible for receiving bears the upper die plate, and the power mechanism controls the retracting of the retractable end, during which the clamping arms are hinged to the retractable end, and when the retractable end is retracted, the clamping arms are turned outward and opened, so that the upper die plate is gradually released from the clamping arms, the weight of the upper die plate is transferred from the clamping arms to the equipment responsible for receiving, and the disassembly of the upper die plate is completed; when the upper die plate is assembled, the upper die plate is hoisted by a feeding device or directly placed below the sliding block, then the position of the upper die plate is adjusted so that the die drawbars preassembled thereon correspond to the guide grooves on the clamping arms, then the power mechanism controls the extension of the retractable end, during which the clamping arms are turned inward, the guide grooves are clamped into the necks of the die drawbars and pull the die drawbars, until the upper surface of the upper die plate is completely attached to the lower surface of the base body, that is, the assembly of the upper die plate is completed.

[0016] In summary, the manual process of loosening and tightening a large number of bolts to assemble the upper die plate is omitted by arranging the upper die clamping device, the disassembly and assembly of the upper die plate can be realized by clamping the upper die plate by the clamping arms through the system control, the die replacement time is shortened, the labor cost is saved, the work efficiency is improved, and the technical problems of long time consumption, high labor intensity and low efficiency caused by the workers loosening and tightening a large number of bolts one by one during die replacement of the existing semi-closed press are solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of the drawings shown.

[0018] Figure 1 It is a front view structural schematic diagram of the present application; Figure 2 It is a side view structural schematic diagram of the present application; Figure 3 It is a structural schematic diagram of the upper die clamping device of the present application; Figure 4 Fig. 1 is a schematic diagram of the connecting state structure of the clamping arm and the mold puller of the present application; Figure 5 Fig. 2 is an exploded view of the upper mold clamping device of the present application; Figure 6 Fig. 3 is a schematic diagram of the linkage structure of the power mechanism and the clamping arm of the present application; Figure 7 Fig. 4 is a schematic diagram of the clamping state structure of the clamping arm of the present application; Figure 8 Fig. 5 is a schematic diagram of the retraction state structure of the clamping arm of the present application; Figure 9 Fig. 6 is a schematic diagram of the release state structure of the clamping arm of the present application; The invention information is as follows: 1. body; 2. slider; 3. upper mold clamping device; 4. telescopic end; 5. mold puller; 100. upper mold plate; 101. workbench; 102. lower mold plate; 301. base body; 302. power mechanism; 303. clamping arm; 304. top plate; 305. bottom plate; 306. chamber; 307. sliding groove; 308. guide groove; 309. adjusting groove; 310. positioning hole; 312. adjusting block; 401. movable seat; 402. first driving member; 403. ejection part; 404. auxiliary rod; 405. second driving member; 406. third driving member; The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0019] The accompanying drawings will be described below in conjunction with the embodiments of the present application. Figures 1-9 The technical solutions in the embodiments of the present application are described clearly and completely, obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications will also change accordingly.

[0021] In addition, the descriptions of "first", "second", etc. in the present invention are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0022] like Figures 1-2 As shown: a semi-closed press, comprising a body 1, a slider 2 arranged on the body 1 and a driving device for driving the slider 2 to move longitudinally, wherein the body 1 is a semi-closed structure, with main wall panels at both ends of the body respectively, and a mounting port for facilitating the installation of a lower module is provided on the panel wall of the two main wall panels. The slider 2 is arranged above the lower module and located between the two main wall panels, and the driving device comprises a motor and a transmission structure, wherein the motor is used to provide power and is installed on the top of the body 1; the transmission structure comprises a connecting rod, a crank, a transmission shaft, a transmission wheel and a flywheel, the flywheel is sleeved on the transmission shaft, the flywheel and the driving end of the motor are connected by a synchronous belt transmission, the connecting rod is arranged on the top of the slider 2, the other end of the connecting rod is connected to the crankshaft, the crankshaft is sleeved with a transmission wheel, and the transmission wheel and the transmission shaft are connected in transmission. When the motor is started, the driving end of the motor drives the flywheel to rotate, and then the flywheel drives the transmission shaft to move to rotate the crank connected thereto, and the slider 2 is driven up and down reciprocating motion through the connecting rod.

[0023] It also includes friction clutch, brake, auxiliary power mechanism, material removal mechanism and pneumatic mechanism; The friction clutch is installed on the transmission shaft. When the slider needs to move, the clutch engages to transmit the power of the transmission shaft to the crankshaft. When the slider needs to stop, the clutch disengages to cut off the power transmission.

[0024] Brake: The brake is set below the flywheel. When the clutch is disengaged, the brake starts to work, using the friction with the flywheel to force the transmission shaft to stop rotating, so that the slider stays at the desired position.

[0025] The auxiliary power mechanism is the balancer, which is installed above both sides of the slider and is usually a cylinder. Its main function is to balance the weight of the slider and the upper mold, eliminate the gap in the transmission system, reduce impact and vibration, make the slider run more smoothly, and brake more accurately. It also helps prevent the slider from sliding down due to excessive speed due to its own weight and provides safety protection when the brake fails.

[0026] The pneumatic mechanism is an air tank that provides compressed air to drive the cylinders of the clutch, brake and balancer.

[0027] The bottom of the slide is provided with a material returning mechanism, which is a material returning rod.

[0028] The slide mechanism is also included, the inner side of the machine body is provided with a guide rail, and the two ends of the slide have a guide part that is in sliding cooperation with the guide rail, so as to realize the vertical reciprocating movement of the slide through the sliding connection.

[0029] The workbench is fixed at the bottom of the machine body and is used for installing the lower die plate, and a blanking hole is arranged therebetween for blanking.

[0030] As shown in Figures 1-9 The bottom of the slide 2 is provided with an upper die clamping device 3 for quickly clamping the upper die plate 100, the upper die clamping device 3 includes a base body 301 for fixed connection with the slide 2 and at least two power mechanisms 302 symmetrically arranged in the base body 301, the power mechanisms 302 are hydraulic cylinders or air cylinders or electric cylinders, and in the embodiment, there are four groups of oppositely arranged power mechanisms 302, so as to improve the clamping force and stability of the upper die plate, the power mechanisms have a telescopic end 4 which is integrally formed with the power mechanisms 302, the telescopic end 4 is rotatably connected with a clamping arm 303, the clamping arm 303 is controlled by the power mechanisms 302 to clamp or release the upper die plate 100, the clamping arm 303 has two postures, i.e. a retracted state and an extended state, in the retracted state, the clamping arm 303 is in a separated state with the die draw pin 5 on the upper die plate, and in the extended state, the clamping arm 303 is clamped into the neck of the die draw pin 5 and pulls it, the retraction and extension of the telescopic end 4 correspond to the retracted state and the extended state respectively.

[0031] As shown in Figures 3-6 The base body 301 includes a top plate 304 and a bottom plate 305, in the embodiment, the top plate 304 and the bottom plate 305 are fixed with each other through a plurality of connecting columns, and an integrally formed structure can also be used, a cavity 306 is formed between the top plate 304 and the bottom plate 305, a plurality of power mechanisms 302 are symmetrically arranged in the cavity 306 and are fixed through a limiting mechanism, a sliding groove 307 is formed on the bottom plate 305, the sliding groove 307 is used for the extension of the telescopic end 4, the telescopic end 4 extends to the lower side of the bottom plate 305 through the sliding groove 307, the clamping arm 303 is hinged at the end thereof through a connecting assembly, it is noted that the bottom of the bottom plate 305 is enclosed to form an internally hollow outer block, a plurality of clamping arms 303 are located in the internally hollow part, and when the clamping arm 303 is in the extended state, it is accommodated therein, so that the outer block protrudes downward, this design is to facilitate the upper die plate to completely match the lower bottom surface of the outer block when the clamping arm 303 is in the extended state, so that it will not act on the clamping arm 303 during the pressing process.

[0032] As shown in Figures 6-9As shown: the connecting assembly includes a movable seat 401 fixed on the telescopic end 4, the movable seat 401 is provided with a through hole, and the movable seat 401 is hinged through the rear side of the clamping arm 303 and the first driving member 402, two first driving members 402 are arranged on the two sides of the clamping arm 303 and the movable seat 401 in the embodiment, the two ends of the first driving member 402 are respectively hinged to the movable seat 401 and the clamping arm 303, the telescopic end 4 is provided with an ejection part 403, the telescopic end 4 and the ejection part 403 are integrally formed, the ejection part 403 of the telescopic end 4 extends to the outside of the movable seat 401 through the through hole, the ejection part 403 protrudes from the movable seat 401 and can push the clamping arm 303 to rotate, the ejection part 403 is used for forcing the clamping arm 303 to rotate so that the clamping arm 303 is pushed forward and clamped into the neck part of the mold puller 5, and the limiting of the mold puller 5 is completed.

[0033] As shown in the figure: Figures 6-9 One side of the telescopic end 4 is provided with an auxiliary rod 404, the auxiliary rod 404 is used for providing an auxiliary force for the clamping arm 303 in the rotating process, so that the clamping arm 303 moves more smoothly, and the overall stability is improved, the auxiliary rod 404 is fixed below the power mechanism 302 and is arranged in parallel with the telescopic end 4, one end of the auxiliary rod 404 away from the power mechanism 302 is hinged through the second driving member 405 and the center position of the clamping arm 303, the movable seat 401 and the second driving member 405 are further hinged with the third driving member 406, and a further linkage mechanism is formed through the third driving member 406.

[0034] As shown in the figure: Figures 4-5 The upper surface of the upper die plate 100 is detachably provided with a plurality of mold pullers 5, the number of the mold pullers 5 is equal to that of the clamping arms 303, the mold puller 5 includes a nail cap, a nail body and a screwing part, the mold puller 5 is detachably installed on the upper die plate 100 through the screwing part, the clamping arm 303 is provided with a guide groove 308 matched with the nail body, the contour of the guide groove 308 is perfectly matched with the neck part of the nail body of the mold puller 5, the nail body is transferred into the clamping arm 303 through the guide groove 308 and the mold puller 5 is longitudinally limited through the nail cap, and the mold puller 5 is a prior art which will not be described too much here.

[0035] As shown in the figure: Figures 3-5As shown: limit mechanism includes arranged in turn on the bottom plate 305 upper surface adjustment slot 309, adjustment slot 309 is provided with several positioning holes 310, one side of the power mechanism 302 is fixed with adjustment block 312, adjustment block 312 is provided with and positioning hole 310 corresponding mounting hole, positioning hole 310 and mounting hole between the fastener is connected to fix the power mechanism 302. By setting the sliding slot 307 can realize the power mechanism 302 on the bottom plate 305 activity, to adjust the position relationship between the clamping arm 303 so that it can be according to different size of the upper die plate appropriate position adjustment, increase the versatility of the product, when the need to adjust the position of the power mechanism 302, first remove the fastener installed between the positioning hole 310 and mounting hole, and then make the power mechanism 302 along the extension direction of adjustment slot 309 activity, when moving to the desired position after re-fixing fastener can, the overall structure is simple and convenient to operate.

[0036] As shown in the figure: Figures 1-2 The body 1 is horizontally provided with a workbench 101, and the workbench 101 is installed with a lower die plate 102. The lower die plate 102 is correspondingly arranged with the upper die plate 100. When assembling the upper die plate 100, the upper die plate 100 can be first placed on the workbench 101 so that each die puller 5 on the upper die plate 100 is aligned with the clamping arm 303. Then, the sliding block 2 is lowered to the specified position, and the power mechanism 302 is started to complete the lifting of the upper die plate 100.

[0037] The base body 301 and the sliding block 2 are fixedly connected by screw locking. The screw locking can improve the tightness of the connection between the base body 301 and the sliding block 2, thereby increasing the stability and strength. In addition, the base body 301 and the sliding block 2 can also be integrally formed.

[0038] The upper die clamping device 3 further comprises a proximity switch for detecting the position of the clamping arm 303 and a pressure sensor for detecting the clamping pressure of the power mechanism 302. The proximity switch is correspondingly installed on one side of the body 1 relative to the clamping arm 303, and the pressure sensor is installed at the end position of the telescopic end 4. In the present embodiment, an inductive proximity switch is installed near each clamping arm 303 for detecting whether the clamping arm 303 is in a clamping or releasing position. The pressure sensor is used to monitor and provide feedback signals of the locking force in real time.

[0039] The upper die plate replacement process of the present application is as follows: The device realizes circuit control of the driving device and the upper die clamping device 3 through the control system. When disassembling the upper die plate, first, the slider 2 is controlled to slide down to a preset die changing height by the control system. The height can be adjusted according to different material receiving modes, such as crane receiving, forklift receiving or platform receiving. Then, the equipment responsible for receiving bears the upper die plate 100. After that, the power mechanism 302 controls the retraction of the telescopic end 4. During this process, the clamping arm 303 is hinged to the telescopic end 4. When the telescopic end 4 retracts, the clamping arm 303 rotates outward and opens, so that it gradually changes from clamping the upper die plate 100 to relaxing. The weight of the upper die plate 100 is transferred from the clamping arm 303 to the equipment responsible for receiving, thereby completing the disassembly of the upper die plate 100. When loading the upper die plate 100, first, the upper die plate 100 is lifted by the feeding equipment or directly placed below the slider 2. Then, the position of the upper die plate is adjusted so that the mold drawbar preloaded thereon corresponds to the guide groove on each clamping arm. After that, the power mechanism controls the extension of the telescopic end 4. During this process, the clamping arm 303 rotates inward, and the guide groove is clamped into the neck of the mold drawbar 5 and pulls it until the upper surface of the upper die plate 100 and the lower surface of the base completely match, that is, the installation process of the upper die plate 100 is completed.

[0040] In summary, by arranging the upper die clamping device 3 below the slider 2, the upper die clamping device 3 is composed of a base 301, a power mechanism 302 and a clamping arm 303. During the replacement of the upper die block 100, the clamping arm 303 is controlled to extend and retract by the power mechanism 302, thereby achieving clamping and relaxing of the upper die block 100, so as to quickly replace the upper die plate 100 without the need to loosen / tighten a large number of bolts to fix the upper die plate 100. Therefore, the process of manually loosening / tightening a large number of bolts to install the upper die plate is eliminated. The upper die plate can be disassembled and installed by clamping the upper die plate with the clamping arm 303, which shortens the die changing time, saves labor costs, improves work efficiency, and solves the technical problems of long time consumption, high labor intensity and low efficiency caused by workers loosening / tightening a large number of bolts one by one during the die changing process of the existing semi-closed press.

[0041] The above description is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made according to the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A semi-closed press, comprising a body (1), a slide (2) arranged on the body (1), and a driving device for driving the slide (2) to move longitudinally, characterized in that: An upper die clamping device (3) for quickly clamping the upper die plate (100) is provided at the bottom of the slider (2). The upper die clamping device (3) comprises a base (301) for fixedly connecting to the slider (2) and at least two power mechanisms (302) symmetrically arranged in the base (301). The power mechanism has a telescopic end (4). A clamping arm (303) is rotatably connected to the telescopic end (4). The clamping arm (303) is controlled by the power mechanism (302) to clamp or release the upper die plate (100).

2. The semi-closed press according to claim 1, characterized in that: The base (301) includes a top plate (304) and a bottom plate (305), a chamber (306) is formed between the top plate (304) and the bottom plate (305), a plurality of the power mechanisms (302) are symmetrically arranged in the chamber (306) and fixed by a limiting mechanism, a slide groove (307) is provided on the bottom plate (305), the telescopic end (4) extends to the bottom of the bottom plate (305) through the slide groove (307), and the clamping arm (303) is hinged at its end through a connecting assembly.

3. The semi-closed press according to claim 2, characterized in that: The connecting assembly comprises a movable seat (401) fixed on the telescopic end (4), the movable seat (401) being hinged to the rear side of the clamping arm (303) via a first driving member (402), and an ejection portion (403) being provided on the telescopic end (4), the ejection portion (403) protruding from the movable seat (401) and capable of pushing the clamping arm (303) to rotate.

4. The semi-closed press according to claim 3, characterized in that: An auxiliary rod (404) is provided on one side of the telescopic end (4). The auxiliary rod (404) is fixed below the power mechanism (302) and is arranged parallel to the telescopic end (4). An end of the auxiliary rod (404) away from the power mechanism (302) is hinged at the center position of the clamping arm (303) through a second driving member (405). A third driving member (406) is also hinged between the movable seat (401) and the second driving member (405).

5. The semi-closed press according to any one of claims 1 to 3, characterized in that: The upper surface of the upper template (100) is detachably provided with a plurality of mold rivets (5), the number of which is equal to that of the clamping arm (303), the mold rivets (5) comprising a rivet cap, a rivet body and a screw connection portion, the clamping arm (303) being provided with a guide groove (308) matching the rivet body, the rivet body being transitioned into the clamping arm (303) through the guide groove (308) and the mold rivet (5) being longitudinally limited by the rivet cap.

6. The semi-closed press according to claim 2, characterized in that: The limiting mechanism comprises adjustment slots (309) arranged in sequence on the upper surface of the base plate (305), a plurality of positioning holes (310) being provided in the adjustment slots (309), an adjustment block (312) being fixed on one side of the power mechanism (302), the adjustment block (312) being provided with mounting holes corresponding to the positioning holes (310), and fasteners being connected between the positioning holes (310) and the mounting holes to fix the power mechanism (302).

7. The semi-closed press according to claim 2, characterized in that: The power mechanism (302) is a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder.

8. The semi-closed press according to claim 1, characterized in that: A workbench (101) is horizontally arranged on the machine body (1), a lower template (102) is installed on the workbench (101), and the lower template (102) and the upper template (100) are arranged correspondingly.

9. The semi-closed press according to claim 2, characterized in that: The base (301) and the slider (2) are fixedly connected by means of thread locking.

10. The semi-closed press according to claim 1, characterized in that: The upper mold clamping device (3) further includes a proximity switch for detecting the position of the clamping arm (303) and a pressure sensor for detecting the clamping pressure of the power mechanism (302), wherein the proximity switch is mounted on a side of the body (1) relative to the clamping arm (303), and the pressure sensor is mounted at an end position of the telescopic end (4).

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