Crank press closed height adjustment device

Abstract

The utility model belongs to the technical field of crank press machine, concretely relates to a closed height adjusting device of crank press machine, including crank press machine body, the connecting rod of crank press machine body top end department is connected with the sliding block, the top surface of crank press machine body lower extreme department is connected with the workstation. The utility model discloses through the mutual cooperation of mounting groove, baffle, motor, screw rod, moving plate, sliding column and connecting block, through starting motor, let the output of motor drive screw rod and rotate, make the moving plate on screw rod will slide in mounting groove, moving plate will push sliding column to slide in crank press machine body at this moment, make sliding column can push workstation, can change the vertical distance between workstation and sliding block, realize the closed height's adjustment of crank press machine, prevent the operator from using the tool manual adjustment, thereby saved operation time, brought the convenient operation to the adjustment of crank press machine.

Description

Technical Field

[0001] This utility model belongs to the technical field of crank presses, specifically relating to a crank press enclosed height adjustment device. Background Technology

[0002] A crank press is a mechanical equipment that uses a crank-connecting rod mechanism to convert the rotational motion of a motor into the reciprocating linear motion of a slider, thereby performing plastic processing such as stamping and forging on workpieces.

[0003] The closed height of a crank press refers to the vertical distance between the lower end face of the slider and the upper surface of the worktable when the slider is at the bottom dead center. This reflects the maximum thickness of the mold that can be installed on the press and directly affects the mold compatibility and stamping feasibility. When adjusting the closed height of some crank presses, the operator manually adjusts the adjusting screw at the slider using tools. This method is cumbersome, time-consuming, and labor-intensive, thus causing inconvenience to the adjustment operation of the crank press.

[0004] Therefore, this utility model provides a crank press closed height adjustment device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a crank press sealing height adjustment device, which aims to solve the problem that in the existing technology, when adjusting the sealing height of some crank presses, the operator has to manually adjust the adjusting screw at the slider with tools to adjust the position of the slider. This operation is relatively troublesome, time-consuming and labor-intensive, thus causing inconvenience to the adjustment operation of the crank press.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a crank press closed height adjustment device, comprising a crank press body, a slider connected to a connecting rod at the top of the crank press body, a worktable connected to the top surface of the crank press body at the lower end of the slider, an installation groove formed on the front surface of the bottom end of the crank press body, a partition plate fixedly connected to the inner surface of the bottom end of the installation groove, a motor symmetrically connected to the bottom surface of the partition plate, the output end of the motor being fixedly connected to one end of a screw extending into the partition plate, bearings penetratingly connected to both ends of the screw, one bearing being embedded in the top surface of the inner side of the installation groove, and the other bearing being embedded in the top surface of the partition plate, a moving plate being threadedly connected to one end of the screw, a sliding column being connected to the top surface of the moving plate, one end of the sliding column passing through the crank press body and connected to the worktable, and a baffle plate connected to the front surface of the crank press body outside the installation groove.

[0007] In a preferred embodiment of the crank press closed height adjustment device of this utility model, the movable plate is slidably connected to the crank press body through the mounting groove, and the sliding column is slidably connected to the crank press body.

[0008] As a preferred embodiment of the crank press closed height adjustment device of this utility model, a connecting block is connected to the bottom surface of the worktable, one end of the connecting block extends into the connecting groove, the connecting groove is opened on the top surface of the sliding column, and the connecting block and the sliding column form a sliding connection through the connecting groove.

[0009] As a preferred embodiment of the crank press closed height adjustment device of this utility model, a first bolt is connected through the front end surface of the sliding column, and a through limiting hole is opened on the front end surface of the connecting block. The first bolt is threadedly connected to the fixing hole through the limiting hole, and the fixing hole is opened on the rear end surface inside the connecting groove.

[0010] As a preferred embodiment of the crank press closed height adjustment device of this utility model, a second bolt is connected through the front surface of the four corners of the baffle, and the other end of the second bolt is threadedly connected to the crank press body.

[0011] As a preferred embodiment of the crank press closed height adjustment device of this utility model, the rear end surface of the baffle is symmetrically connected with positioning blocks, one end of the positioning block is slidably placed into the positioning groove, and the positioning groove is symmetrically opened on the front end surface of the crank press body.

[0012] As a preferred embodiment of the crank press closed height adjustment device of this utility model, the two ends of the positioning block are connected to the locking blocks, one end of the locking block is engaged into the inside of the locking groove, and the locking groove is symmetrically opened on the two ends of the positioning groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention utilizes the cooperation of a mounting groove, partition plate, motor, screw, moving plate, sliding column, and connecting block. By starting the motor, the output end of the motor drives the screw to rotate, causing the moving plate on the screw to slide within the mounting groove. The moving plate then pushes the sliding column within the crank press body, allowing the sliding column to push the worktable. This changes the vertical distance between the worktable and the slider, thus adjusting the closed height of the crank press. This eliminates the need for manual adjustment by the operator, saving operation time and providing convenience for the adjustment operation of the crank press.

[0015] This invention utilizes the cooperation of a baffle, a positioning block, and a locking block to protect the mounting groove. The baffle protects the mounting groove, while the positioning block and locking block assist in the installation of the baffle. When the positioning block on the baffle slides into the positioning groove, the locking block on the positioning block engages with the locking groove, fixing the position of the positioning block in the positioning groove. At this point, the positioning block, along with the baffle, is initially suspended and fixed at the front end of the crank press body, allowing the operator to easily install the second bolt, thus facilitating the installation of the baffle. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the partial explosion structure of this utility model;

[0019] Figure 3 This is a partial bottom view of the structure of this utility model;

[0020] Figure 4 This is a schematic diagram of a partial exploded structure at the movable plate of this utility model;

[0021] Figure 5 This is a schematic diagram of the baffle structure of this utility model.

[0022] In the diagram: 1. Crank press body; 2. Slider; 3. Worktable; 4. Mounting slot; 5. Partition plate; 6. Motor; 7. Screw; 8. Bearing; 9. Moving plate; 10. Sliding column; 11. Connecting block; 12. Connecting slot; 13. First bolt; 14. Limiting hole; 15. Fixing hole; 16. Baffle; 17. Second bolt; 18. Positioning block; 19. Positioning slot; 20. Locking block; 21. Locking groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5This utility model provides the following technical solution: a crank press closed height adjustment device, including a crank press body 1, the crank press body 1 is a YT21-25T crank press, a slider 2 is connected to the connecting rod at the top of the crank press body 1, a worktable 3 is connected to the top surface of the crank press body 1 at the lower end of the slider 2, an installation groove 4 is opened on the front surface of the bottom end of the crank press body 1, a partition 5 is fixedly connected to the inner surface of the bottom end of the installation groove 4, and the bottom surface of the partition 5 is symmetrically connected with... The output end of the motor 6 is fixedly connected to one end of the screw 7 extending into the partition 5. Bearings 8 are connected through both ends of the screw 7. One bearing 8 is embedded in the top surface of the inner side of the mounting groove 4, and the other bearing 8 is embedded in the top surface of the partition 5. A moving plate 9 is threaded through one end of the screw 7. A sliding column 10 is connected to the top surface of the moving plate 9. One end of the sliding column 10 passes through the crank press body 1 and is connected to the worktable 3. A baffle 16 is connected to the front end surface of the crank press body 1 outside the mounting groove 4.

[0025] It should be noted that the motor 6 is electrically connected to an external power supply via a control switch. The control switch can be installed on one side of the crank press body 1. At the same time, the two motors 6 are connected in parallel to one control switch, so that one control switch can control the two motors 6 at the same time, ensuring the synchronicity of the two motors 6 during operation.

[0026] Preferably, the movable plate 9 is slidably connected to the crank press body 1 via the mounting groove 4, and the sliding column 10 is slidably connected to the crank press body 1.

[0027] In practical use, when the output end of the motor 6 drives the screw 7 to rotate in the bearing 8, the moving plate 9 on the screw 7 will move along the mounting groove 4. At this time, the sliding column 10 on the moving plate 9 will move in the crank press body 1, thereby driving the worktable 3 on the top of the sliding column 10 to move.

[0028] Preferably, a connecting block 11 is connected to the bottom surface of the workbench 3, one end of the connecting block 11 extends into the connecting groove 12, the connecting groove 12 is opened on the top surface of the sliding column 10, and the connecting block 11 and the sliding column 10 are slidably connected through the connecting groove 12.

[0029] In practical use, the connecting block 11 at the bottom of the workbench 3 can slide in the connecting groove 12 on the sliding column 10, so that the workbench 3 can be placed or separated on the sliding column 10 through the connecting block 11.

[0030] Preferably, a first bolt 13 is connected through the front end surface of the sliding column 10, and a through limiting hole 14 is opened on the front end surface of the connecting block 11. The first bolt 13 is threadedly connected to the fixing hole 15 through the limiting hole 14. The fixing hole 15 is opened on the rear end surface inside the connecting groove 12.

[0031] In practical use, when the connecting block 11 at the bottom of the workbench 3 is slidably placed into the connecting groove 12 on the sliding column 10, the limiting hole 14 on the connecting block 11 will move to the position of the fixing hole 15. At this time, the first bolt 13 is screwed into the fixing hole 15 through the limiting hole 14, so that the position of the connecting block 11 can be fixed in the connecting groove 12, and the workbench 3 is connected to the sliding column 10 through the connecting block 11. When the first bolt 13 is unscrewed, the connecting block 11 can be separated from the connecting groove 12, and the workbench 3 can be disassembled.

[0032] Preferably, a second bolt 17 is connected through the front surface of the four corners of the baffle 16, and the other end of the second bolt 17 is threadedly connected to the crank press body 1.

[0033] In practical use, the second bolt 17 is used to pass through the baffle 16 and screw it into the crank press body 1, so that the position of the baffle 16 can be fixed on the crank press body 1, so that the baffle 16 can shield and protect the mounting groove 4. By turning the second bolt 17, the baffle 16 can be removed.

[0034] Preferably, a positioning block 18 is symmetrically connected to the rear end surface of the baffle 16, and one end of the positioning block 18 is slidably placed into the positioning groove 19. The positioning groove 19 is symmetrically opened on the front end surface of the crank press body 1.

[0035] In practical use, the positioning block 18 on the baffle 16 can slide in the positioning groove 19 on the crank press body 1, so that the baffle 16 can be placed or separated on the crank press body 1 through the positioning block 18.

[0036] Preferably, the positioning block 18 has a locking block 20 connected to both ends of its surface. One end of the locking block 20 is engaged with the inside of the locking groove 21. The locking groove 21 is symmetrically opened on both ends of the positioning groove 19.

[0037] In practical use, the locking block 20 is made of rubber. When the positioning block 18 slides into the positioning groove 19, the positioning block 18 will move the locking block 20 to the position of the locking groove 21. At this time, the locking block 20 will be elastically engaged in the locking groove 21, so that the positioning block 18 can be fixed in the positioning groove 19. By pulling the baffle 16, the positioning block 18 can slide in the positioning groove 19, so that the locking block 20 can be separated from the locking groove 21, and the baffle 16 can be separated from the crank press body 1.

[0038] Working principle: When using the crank press closing height adjustment device, two motors 6 are simultaneously started by the control switch, causing the output end of motor 6 to drive the screw 7 to rotate in the bearing 8. At this time, the moving plate 9 on the screw 7 will slide inside the mounting groove 4, allowing the moving plate 9 to slide along the sliding column 10 in the crank press body 1. The sliding column 10 will then drive the connected worktable 3 to move vertically up and down, thereby changing the vertical distance between the slider 2 at its bottom dead center and the surface of the worktable 3. This achieves the adjustment of the closing height of the crank press body 1, allowing the distance between the slider 2 and the worktable 3 to be adjusted to fit the current mold. Then, the upper mold and lower mold are installed on the slider 2 and the worktable 3 respectively, allowing the crank press body 1 to be used normally. During the adjustment process, the distance between the slider 2 at its bottom dead center and the surface of the worktable 3 can be checked in real time using measuring tools such as a height gauge. The vertical distance is adjusted to ensure that the accuracy meets the current mold installation requirements, thereby achieving precise adjustment of the closed height of the crank press body 1. Next, the positioning block 18 on the baffle 16 is slid into the positioning groove 19 on the crank press body 1. The positioning block 18 will move with the locking block 20 to the position of the locking groove 21. At this time, the locking block 20 will be elastically engaged in the locking groove 21, so that the positioning block 18 can be fixed in the positioning groove 19. At this time, the positioning block 18 can be initially suspended and fixed at the front end of the crank press body 1 with the baffle 16, so that the hole on the baffle 16 can be aligned with the threaded hole on the crank press body 1, thus facilitating the subsequent installation of the second bolt 17. Then, the second bolt 17 is screwed into the threaded hole on the crank press body 1 through the hole on the baffle 16, so that the position of the baffle 16 can be fixed on the crank press body 1, so that the baffle 16 can shield and protect the mounting groove 4.

[0039] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A crank press closed height adjustment device, comprising a crank press body (1), characterized in that: The crank press body (1) has a connecting rod at the top end connected to a slider (2). A worktable (3) is connected to the top surface of the crank press body (1) at the lower end of the slider (2). An installation groove (4) is provided on the front surface of the bottom end of the crank press body (1). A partition (5) is fixedly connected to the inner surface of the bottom end of the installation groove (4). A motor (6) is symmetrically connected to the bottom surface of the partition (5). The output end of the motor (6) is fixedly connected to one end of a screw (7) extending into the partition (5). Bearings (8) are connected through both ends. One bearing (8) is embedded in the top surface of the inner side of the mounting groove (4), and the other bearing (8) is embedded in the top surface of the partition (5). A moving plate (9) is threaded through one end of the screw (7). A sliding column (10) is connected to the top surface of the moving plate (9). One end of the sliding column (10) passes through the crank press body (1) and is connected to the worktable (3). A baffle (16) is connected to the front end surface of the crank press body (1) outside the mounting groove (4).

2. The crank press closed height adjustment device according to claim 1, characterized in that: The movable plate (9) is slidably connected to the crank press body (1) through the mounting groove (4), and the sliding column (10) is slidably connected to the crank press body (1).

3. The crank press closed height adjustment device according to claim 1, characterized in that: The bottom surface of the workbench (3) is connected to a connecting block (11), one end of which extends into a connecting groove (12). The connecting groove (12) is opened on the top surface of the sliding column (10), and the connecting block (11) and the sliding column (10) are connected by the connecting groove (12).

4. The crank press closed height adjustment device according to claim 3, characterized in that: The front end surface of the sliding column (10) is connected to a first bolt (13), and the front end surface of the connecting block (11) is provided with a through limiting hole (14). The first bolt (13) is threadedly connected to the fixing hole (15) through the limiting hole (14). The fixing hole (15) is located on the rear end surface inside the connecting groove (12).

5. The crank press closed height adjustment device according to claim 1, characterized in that: The front surface of the baffle (16) at the four corners is connected by a second bolt (17), and the other end of the second bolt (17) is threadedly connected to the crank press body (1).

6. The crank press closed height adjustment device according to claim 1, characterized in that: The rear end surface of the baffle (16) is symmetrically connected with a positioning block (18), one end of the positioning block (18) is slidably placed into the positioning groove (19), and the positioning groove (19) is symmetrically opened on the front end surface of the crank press body (1).

7. The crank press closed height adjustment device according to claim 6, characterized in that: The positioning block (18) has two end surfaces connected to a locking block (20), one end of the locking block (20) is engaged in the interior of the locking groove (21), and the locking groove (21) is symmetrically opened on both end surfaces inside the positioning groove (19).

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