CN219542365U - Clamping device - Google Patents

Abstract

The utility model relates to the technical field of iron casting processing and clamping, and discloses a clamping device, which comprises a workbench and a placing table, wherein a fixed block is fixed on the workbench, limiting sliding plates are fixed on both sides of the upper end and the lower end of the inner wall of the fixed block, an upper toothed plate is connected between the limiting sliding plates at the upper end in a sliding manner, a lower toothed plate is connected between the limiting sliding plates at the lower end in a sliding manner, gears are connected between the upper toothed plate and the lower toothed plate in a meshing manner, and threaded rods penetrating through the fixed block are fixedly connected on the gears; this kind of novel clamping device that is applied to, through setting up the gear, go up pinion rack and pinion rack down, drive gear rotation through rotating the threaded rod, drive and go up pinion rack and pinion rack down and remove in opposite directions when gear rotation, go up pinion rack and pinion rack down and drive connecting rod and splint formation clamping state, can be more stable with foundry goods centre gripping like this, and the foundry goods is put and can be stabilized in intermediate position on placing the bench, can not produce the skew when processing.

Description

Clamping device

Technical Field

The utility model relates to the technical field of iron casting machining and clamping, in particular to a clamping device.

Background

The existing iron casting is unstable in clamping process, the machining quality of the iron casting is affected, the clamping operation is complex, the time consumption is long, and the machining speed of the iron casting is affected.

CN210160763U proposes a clamping device for iron casting processing, relates to iron casting processing field, and when processing to current iron casting, its iron casting centre gripping is unstable and centre gripping complex operation, and is consuming time longer, influences the problem of the processingquality and the processing rate of iron casting, and the scheme is proposed now, and it includes processing platform, one side of placing the platform is provided with the fixed plate, the bottom of fixed plate is fixed with the bracing piece, and the fixed plate passes through the bracing piece to be fixed on processing platform, one side of placing the bench and keeping away from the fixed plate is provided with movable clamp plate, be connected with the promotion subassembly on the movable clamp plate. This design novel structure, and through placing the fixed magnet on the bench with the preliminary attraction of cast iron piece fixed to through the cooperation of movable clamp plate and fixed clamp plate, further with cast iron piece centre gripping fixed, the centre gripping of cast iron piece is stable, fixed easy and simple to handle, consuming time is shorter, effectual processingquality and the machining efficiency of improvement cast iron piece.

However, the following problems still exist in the above technical solutions:

according to the technical scheme, the movable clamping plate on one side moves to form the clamping state with the fixed plate, so that the casting can be clamped only through the acting force of propping against the movable clamping plate, the casting cannot be stably clamped at the center of the placing table by single-side clamping, one side of the casting is easy to suspend, the lower end of the casting is supported unstably, and the casting is easy to deviate during processing.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the clamping device to at least solve one of the problems of the background art, so that the clamping force on two sides is formed between the clamping plate and the casting, and the casting can be clamped at the center of the placing table, thereby avoiding the deviation of the casting during processing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clamping device, includes the workstation and places the platform, be fixed with the fixed block on the workstation, both sides of lower extreme all are fixed with spacing slide on the fixed block inner wall, be located the upper end sliding connection has the pinion rack between the spacing slide, be located the lower extreme sliding connection has the pinion rack down between the spacing slide, the meshing is connected with the gear down between pinion rack and the pinion rack, fixedly connected with wears to establish the threaded rod with the fixed block on the gear, the equal fixedly connected with connecting rod of upper end of going up pinion rack and lower pinion rack, fixedly connected with splint on the connecting rod, the one end of fixed block is fixed with the stopper, the spout has been seted up on the stopper, sliding connection has the limiting plate with threaded rod threaded connection in the spout, the both ends threaded connection of limiting plate has the fixed knob that offsets with the workstation.

The utility model is further technically improved in that a bearing is fixed on the threaded rod, and the outer wall of the bearing is fixedly connected with the fixed block.

A further technical improvement of the utility model is that the outer end of the threaded rod is fixed with a handle.

A further technical improvement of the utility model is that the clamping plate is detachably connected with the connecting rod.

The connecting rod is provided with a screw in a penetrating way, and the screw is in threaded connection with the clamping plate.

The utility model further technically improves that the upper end of the fixed button is arranged in a special shape.

The utility model further technically improves that the handle is sleeved with an anti-skid sleeve.

The embodiment of the utility model provides a clamping device, which has the following beneficial effects:

this kind of novel clamping device that is applied to, through setting up the gear, go up pinion rack and pinion rack down, drive gear rotation through rotating the threaded rod, drive and go up pinion rack and pinion rack down and remove in opposite directions when gear rotation, go up pinion rack and pinion rack down and drive connecting rod and splint formation clamping state, can be more stable with foundry goods centre gripping like this, and the foundry goods is put and can be stabilized in intermediate position on placing the bench, can not produce the skew when processing.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic view of an overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the threaded rod, the handle, the fixed button and the limiting block of the utility model;

FIG. 3 is a schematic cross-sectional view of the internal structure of the fixing block according to the present utility model;

fig. 4 is a schematic view of the structure of the bearing, gear, upper toothed plate and lower toothed plate of the present utility model.

In the figure: 1. a work table; 2. a placement table; 3. a fixed block; 4. a limit sliding plate; 5. a threaded rod; 6. a gear; 7. a bearing; 8. an upper toothed plate; 9. a lower toothed plate; 10. a limiting block; 11. a chute; 12. a limiting plate; 13. a handle; 14. a connecting rod; 15. a clamping plate; 16. a fixed button.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a clamping device comprises a workbench 1 and a placement table 2, wherein a fixed block 3 is fixed on the workbench 1, limiting sliding plates 4 are fixed on two sides of the upper end and the lower end of the inner wall of the fixed block 3, an upper toothed plate 8 is slidably connected between the upper limiting sliding plates 4, a lower toothed plate 9 is slidably connected between the lower limiting sliding plates 4, a gear 6 is engaged between the upper toothed plate 8 and the lower toothed plate 9, a threaded rod 5 penetrating through the fixed block 3 is fixedly connected to the gear 6, connecting rods 14 are fixedly connected to the upper ends of the upper toothed plate 8 and the lower toothed plate 9, clamping plates 15 are fixedly connected to the connecting rods 14, a limiting block 10 is fixed at one end of the fixed block 3, a sliding groove 11 is formed in the limiting block 10, a limiting plate 12 in threaded connection with the threaded rod 5 is slidably connected to the sliding groove 11, and fixing buttons 16 propped against the workbench 1 are in threaded connection with two ends of the limiting plate 12.

Specific working principle and implementation mode: firstly, a casting is placed on a placing table 2 and is adsorbed by a magnet, a threaded rod 5 is rotated to drive a gear 6 to rotate, an upper toothed plate 8 and a lower toothed plate 9 are driven to move in the opposite direction when the gear 6 rotates, the upper toothed plate 8 and the lower toothed plate 9 are in a T-shaped state, two ends of the T-shape slide between limit sliding plates 4, the lower end of the T-shape is meshed and connected with the gear 6, a clamping plate 15 is driven to move inwards and outwards when the upper toothed plate 8 and the lower toothed plate 9 move in the opposite direction to form an open and clamping state, the casting with larger volume can be clamped through the clamping plate 15, the casting can be placed at the center of the placing table 2 without deviation, a limiting block 10 is fixedly welded at the outer end of a fixed block 3, a sliding groove 11 is formed in the limiting block 10, a limiting plate 12 in threaded connection with the threaded rod 5 is driven to move in the sliding groove 11 when the threaded rod 5 rotates, after the clamping plate 15 is clamped and fixed, a fixed button 16 at two ends of the limiting plate 12 rotates to be abutted against a workbench 1, and thus the limiting plate 1 can be clamped with the workbench 1 through the fixed button 16, and the threaded rod 15 can be clamped tightly and the threaded rod 15 can not be clamped tightly; compare prior art, like the fixed mode in patent number CN210160763U, the fixed mode of this design is more convenient, and drives splint 15 through rotating threaded rod 5 and inwards move to the outside simultaneously, makes the centre gripping between splint 15 and the foundry goods more stable, and the foundry goods can be put in the central point who places platform 2 put, has avoided the foundry goods skew when processing.

As shown in fig. 2, 3 and 4, the bearing 7 is fixed on the threaded rod 5, the outer wall of the bearing 7 is fixedly connected with the fixed block 3, thus the threaded rod 5 can be more conveniently rotated, the external thread of the threaded rod 5 and the fixed block 3 can not generate friction, and the rotation of the threaded rod 5 can be stably limited through the bearing 7.

As shown in fig. 4, the handle 13 is fixed at the outer end of the threaded rod 5, and the handle 13 is fixed at the outer side of the threaded rod 5 to facilitate the rotation of the threaded rod 5, and the threaded rod 5 is welded with the handle 13, so that the connection mode is more stable.

Example two

Compared with the first embodiment, the clamping plate 15 and the connecting rod 14 in the second embodiment are detachably connected, so that different clamping plates 15 can be replaced, and the clamping plate is suitable for different casting appearance structures, and has practicability compared with the prior art.

As shown in fig. 1 and 2, the clamping plate 15 is detachably connected with the connecting rod 14, screws are threaded on the end portions of the connecting rod 14, the screws penetrate through the connecting rod 14 and then are in threaded connection with the back surface of the clamping plate 15, the number of the screws is four, and the four screws are distributed in a circumferential array manner, so that the connection mode is more stable.

As shown in fig. 2, the upper end of the fixing button 16 is configured to be configured to facilitate the force applied when the fixing button 16 is rotated, and the upper end of the fixing button 16 exceeds the upper end of the limiting block 10, so that a worker can manually rotate the fixing button 16.

As shown in fig. 4, the anti-slip sleeve is sleeved on the handle 13, and the anti-slip sleeve is sleeved on the handle 13 to facilitate the force exerted by the hands of the staff to increase the friction between the handle 13 and the hands of the staff when the threaded rod 5 is rotated.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims (7)

1. Clamping device, including workstation (1) and placing platform (2), its characterized in that, be fixed with fixed block (3) on workstation (1), both sides of lower extreme all are fixed with spacing slide (4) on fixed block (3) inner wall, are located the upper end sliding connection has upper toothed plate (8) between spacing slide (4), be located the lower extreme sliding connection has lower toothed plate (9) between spacing slide (4), the meshing is connected with gear (6) between upper toothed plate (8) and lower toothed plate (9), threaded rod (5) with fixed block (3) are worn to establish to fixedly connected with on gear (6), upper end equal fixedly connected with connecting rod (14) of upper toothed plate (8) and lower toothed plate (9), fixedly connected with splint (15) on connecting rod (14), one end fixedly connected with stopper (10) of fixed block (3), set up spout (11) on stopper (10), sliding connection has threaded rod (12) with threaded rod (5) and threaded rod's both ends (16) of limiting table (1).

2. Clamping device according to claim 1, characterized in that a bearing (7) is fixed on the threaded rod (5), the outer wall of the bearing (7) being fixedly connected with the fixed block (3).

3. Clamping device according to claim 1, characterized in that the outer end of the threaded rod (5) is fixed with a handle (13).

4. Clamping device according to claim 1, characterized in that the clamping plate (15) is detachably connected to the connecting rod (14).

5. Clamping device according to claim 4, characterized in that the connecting rod (14) is provided with a screw threaded with the clamping plate (15).

6. Clamping device according to claim 1, characterized in that the upper end of the fixing button (16) is profiled.

7. A gripping device according to claim 3, characterized in that the handle (13) is provided with an anti-slip sleeve.