A movable table device of a punch press
By using a mobile worktable device with four rollers and a track on the punch press, combined with support legs and motor drive, the problems of high construction cost and space occupation are solved, and efficient mold replacement without pit construction is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINFONG CHINA MECHANICAL IND LIMITED
- Filing Date
- 2025-05-15
- Publication Date
- 2026-06-02
AI Technical Summary
The existing mobile worktable of the punch press requires the base to be sunk into the pit when changing the mold, which results in high construction costs and space occupation, affecting production operations.
The mobile worktable device, which uses four rollers and a track, combined with support legs and motor drive, allows the worktable to be installed flush with the base of the punch press, eliminating the need for pit construction and saving space for the support legs.
It reduces construction costs, avoids space occupation, and does not affect the daily production operation of the punch press.
Smart Images

Figure CN224309436U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of punch press technology, and in particular to a moving worktable device for a punch press. Background Technology
[0002] In stamping processes using punch presses, different stamped products require different dies, and changing dies is a frequent and tedious task. To improve production efficiency and reduce production costs, movable die-changing worktables have emerged. Currently, most movable worktables used for die changing on the market move on the factory floor via rollers. However, the worktable with the dies installed needs to be placed on the base of the punch press. This requires the punch press base to be sunk into a pit in the factory floor; otherwise, the movable worktable cannot be moved onto the base's surface. Sunking the punch press base requires digging a foundation pit in the factory floor beforehand, which is limited by factory conditions and increases construction costs. To solve this problem, some designs fix a steel frame to the side of the punch press base, making the upper surface of the steel frame flush with the base's surface. The movable worktable is placed on the steel frame, facilitating its movement in and out of the base while also preventing the base from sunk into the pit. However, the installation of the steel frame occupies a large amount of external space for the punch press, affecting the daily production operations of the punch press operators and the matching of surrounding automated equipment, causing inconvenience to production. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide a mobile worktable device for a punch press, which can reduce the construction cost of the punch press and does not affect the daily production of the punch press.
[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a mobile worktable device for a punch press, including a mobile worktable, four rollers are respectively provided at the four corners of the lower end face of the mobile worktable, the four rollers cooperate with a first track fixedly installed on the table surface of the punch press base, a mobile drive mechanism is provided inside the mobile worktable, a second track is fixedly installed on the ground, the second track is parallel to the first track and located on the rear side of the base, a support leg is fixedly installed at the rear end of the mobile worktable, an auxiliary roller is provided at the lower end of the support leg, and the auxiliary roller cooperates with the second track.
[0005] Furthermore, the two rollers located at the front end of the mobile worktable form a set and are the front rollers, and the two rollers located at the rear end of the mobile worktable form a set and are the rear rollers. The mobile drive mechanism includes a motor and a gear set. A gear shaft is rotatably connected to the mobile worktable. The two ends of the gear shaft are coaxially fixed to the front rollers. The motor is fixed in the mobile worktable, and the motor drives the gear shaft to rotate through the gear set.
[0006] Furthermore, the second track is provided with a recess at one end facing the base. When the movable worktable moves into place on the platform of the base and descends, the auxiliary rollers descend into the recess.
[0007] Compared with the prior art, the advantages of this utility model are that the rear end of the mobile worktable is fixedly equipped with support legs, which can lift the mobile worktable up to make it flush with the table surface of the punch press base, so that the punch press base can be placed directly on the ground without the need for tunnel construction, thus reducing the installation and construction cost of the punch press. Moreover, the support legs move synchronously with the mobile worktable. After the mobile worktable is installed on the base, the support legs are next to the rear side of the base and do not occupy the external space of the punch press, so they will not cause inconvenience to the daily production of the punch press. Attached Figure Description
[0008] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0009] Figure 2 This is a bottom view of the mobile worktable of this utility model. Detailed Implementation
[0010] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0011] As shown in the figure, a movable worktable device for a punch press includes a movable worktable 1. Four rollers 2 are respectively provided at the four corners of the lower end face of the movable worktable 1. The four rollers 2 cooperate with a first track 4 fixedly mounted on the table surface 31 of the punch press base 3. The two rollers 2 located at the front end of the movable worktable 1 form a front roller group, and the two rollers 2 located at the rear end of the movable worktable 1 form a rear roller group. A movable drive mechanism is provided inside the movable worktable 1, which includes a motor 5 and a gear set 6. The motor 5 is fixed in the movable worktable 1, and a gear shaft 7 is rotatably connected to the movable worktable 1. The two ends of the gear shaft 7 are coaxially fixed to the front rollers. The motor 5 is driven by the gear set 6. The gear shaft 7 is driven to rotate. Specifically, the gear set 6 can be composed of a driving gear and a driven gear. The driving gear is coaxially fixed to the drive shaft of the motor 5, and the driven gear is coaxially fixed to the gear shaft 7. The driving gear and the driven gear mesh with each other. A second track 8 is fixedly installed on the ground. The second track 8 is parallel to the first track 4 and located on the rear side of the base 3. A support leg 9 is fixedly installed at the rear end of the movable worktable 1. An auxiliary roller 10 is installed at the lower end of the support leg 9. The auxiliary roller 10 cooperates with the second track 8. A groove (not shown in the figure) is provided at the end of the second track 8 facing the base 3. When the movable worktable 1 moves into place on the table surface 31 of the base 3 and descends, the auxiliary roller 10 descends into the groove.
[0012] The moving process of the movable worktable of this utility model is as follows: After changing the mold on the movable worktable 1, the motor 5 drives the front roller to rotate, and the rear roller acts as the driven wheel, driving the movable worktable 1 to move along the first track 4 to the table surface 31 of the base 3. At the same time, the auxiliary roller 10 moves along the second track 8. When the detection mechanism 11 between the movable worktable 1 and the table surface 31 detects that the movable worktable 1 has moved forward into place, the motor 5 stops working. At the same time, the front roller and the rear roller on the movable worktable 1 are exactly located on the lifting mechanism 12 on the table surface 31, and the auxiliary roller 10 is located above the sink. Then the lifting mechanism 12 descends so that the movable worktable 1 fits against the table surface 31. At the same time, the auxiliary roller 10 descends into the sink. Then the movable worktable 1 is fixed by the clamping mechanism 13 on the table surface 31, and the punch press can perform normal punching work. When it is necessary to change the mold, the clamping mechanism 13 first releases the moving worktable 1, the lifting mechanism 12 rises to lift the moving worktable 1, and at the same time the auxiliary roller 10 rises above the sink. Then the motor 5 works, driving the moving worktable 1 to move to the rear side of the table 31. At the same time, the auxiliary roller 10 moves along the second track 8. When the detection mechanism 11 detects that the moving worktable 1 has moved to the rear position, the motor 5 stops working. At this time, the front roller is located on the first track 4, and the rear roller is in a suspended state.
[0013] In addition, it should be noted that the detection mechanism 11, the lifting mechanism 12 and the clamping mechanism 13 are all existing mechanisms on the existing moving worktable and punch press base, used to realize the position detection and position fixation of the moving worktable.
[0014] The scope of protection of this utility model includes, but is not limited to, the above embodiments. The scope of protection is defined by the claims. Any substitutions, modifications, or improvements to this technology that are easily conceived by those skilled in the art shall fall within the scope of protection of this utility model.
Claims
1. A movable worktable device for a punch press, comprising a movable worktable, wherein four rollers are respectively provided at the four corners of the lower end face of the movable worktable, the four rollers cooperating with a first track fixedly mounted on the table surface of the punch press base, and a movable drive mechanism is provided inside the movable worktable, characterized in that: A second track is fixedly installed on the ground. The second track is parallel to the first track and located at the rear of the base. A support leg is fixedly installed at the rear end of the mobile worktable. An auxiliary roller is installed at the lower end of the support leg. The auxiliary roller cooperates with the second track.
2. The moving worktable device for a punch press as described in claim 1, characterized in that: Two rollers located at the front end of the mobile worktable form a set and are called front rollers. Two rollers located at the rear end of the mobile worktable form a set and are called rear rollers. The mobile drive mechanism includes a motor and a gear set. A gear shaft is rotatably connected to the mobile worktable. The two ends of the gear shaft are coaxially fixed to the front rollers. The motor is fixed in the mobile worktable. The motor drives the gear shaft to rotate through the gear set.
3. The moving worktable device for a punch press as described in claim 1, characterized in that: The second track has a recessed groove at one end facing the base. When the movable worktable moves into place on the base and descends, the auxiliary rollers descend into the recessed groove.