Double-station rotary vertical machining hydraulic clamp

Abstract

The utility model discloses a double-station rotary vertical machining hydraulic clamp which can provide uniform clamping force to automatically clamp workpieces, the workpieces are not prone to deformation, the continuous repeated positioning accuracy of the double-station rotary vertical machining hydraulic clamp is good, and multiple workpieces can be clamped and machined at the same time. The device comprises a flange plate and a bottom plate mounted on one side of the flange plate, and is characterized in that a support groove is formed in the middle of one side edge of the bottom plate, a limiting seat is arranged on the surface, close to the support groove, of the bottom plate, and a double-station vertical pressing structure and a double-station side pressing structure are arranged on the two sides of the limiting seat respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece positioning fixtures with latch-type brackets, in particular to a double-station rotary and hydraulic fixture. Background Art

[0002] A certain workpiece with a latch-type bracket is widely used in automotive mechanical structures. The workpiece is small in size, has high machining accuracy requirements and a large production demand. Existing fixtures are mostly manual fixtures. The uneven clamping force during manual operation can easily cause workpiece deformation. Continuous manual repeated positioning of the workpiece has poor accuracy, making it difficult to ensure sufficient production quality and output. Utility Model Content

[0003] In view of the defects of existing manual clamps, such as uneven force on manually clamping workpieces, easy deformation of workpieces, and poor continuous repeated positioning accuracy, the utility model provides a double-station rotary and hydraulic clamp, which can provide uniform clamping force to automatically clamp workpieces, the workpieces are not easily deformed, the continuous repeated positioning accuracy is good, and multiple workpieces can be clamped and processed at the same time.

[0004] The utility model provides the following technical solution: it includes a flange, a base plate installed on one side of the flange, and is characterized in that a support groove is arranged in the middle part of one side of the base plate, a limiting seat is arranged on the surface of the base plate near the support groove, and a double-station vertical clamping structure and a double-station side clamping structure are respectively arranged on both sides of the limiting seat.

[0005] It is further characterized by:

[0006] The double-station vertical clamping structure includes a double-headed pressing plate, the head of the double-headed pressing plate is provided with two pressing heads, the tail of the double-headed pressing plate is fixedly connected to the cylinder rod head of the pressing plate oil cylinder, the cylinder body of the pressing plate oil cylinder penetrates the bottom plate, and the cylinder flange of the cylinder head is installed on the upper surface of the bottom plate, and below the double-headed pressing plate, the surface of the cylinder flange is provided with a flange protrusion, and the flange protrusion is rotatably connected through a hinge plate, a bolt pair and the middle part of the double-headed pressing plate respectively;

[0007] The double-station side clamping structure includes a side pressure plate and a connecting rod. The middle part of the side pressure plate body has a convex block that is clamped in the groove of the connecting rod head. The middle part of the connecting rod body is rotatably connected to the hinge support through a pin shaft. The hinge support is clamped in the support groove on the side of the bottom plate. A rib plate cylinder is installed on the inner side of the rib plate near the connecting rod below the bottom plate. The cylinder rod of the rib plate cylinder is fixedly connected to the connecting rod tail through a connecting nail.

[0008] The limit seat body is in an "L" shape, and a limit plate is vertically installed on its horizontal horizontal surface to closely fit the vertical surface of the horizontal horizontal surface;

[0009] The vertical surfaces of the limit plate and the limit seat are respectively provided with transverse sockets. When the limit plate and the limit seat are fitted, the transverse sockets on the limit plate and the limit seat correspond to and are connected to form a transverse socket. Below the two pressure heads of the double-headed pressure plate, the horizontal transverse surface of the limit seat is provided with vertical sockets, and the positions close to the vertical sockets are provided with latch holes.

[0010] Below the bottom plate, rib plates are installed in parallel on the flange to fix the bottom plate.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] The double-station vertical clamping structure is compactly designed, and the double-head clamping plate realizes parallel processing. Under the action of the hinge plate, it can provide uniform downward clamping force in a limited space, automatically complete the clamping operation of two workpieces, significantly improve the production efficiency, and its simple operation reduces equipment requirements and labor costs;

[0013] The double-station side clamping structure is cleverly designed. The rib plate oil cylinder pushes the connecting rod. Under the action of the hinge support, the connecting rod pushes the side pressure plate to perform side clamping operations on two workpieces at the same time. The workpieces are subjected to uniform and stable pressure, which helps to improve the processing accuracy. At the same time, the operation is simple, reducing the demand for manpower and equipment.

[0014] The design of the limit seat and the limit plate can limit the direction of the workpiece. The sockets matching the workpiece are arranged on them, which is conducive to the processing of the workpiece. At the same time, the setting of the pin opening not only facilitates the placement of the workpiece pin but also can use the pin to further fix the workpiece. The design is very clever and ensures the improvement of production efficiency.

[0015] The provision of the rib plate increases the stability of the base plate and the components on the base plate, providing a guarantee for the workpiece to be stably clamped and evenly stressed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a working schematic diagram of the utility model;

[0018] Figure 3 It is a structural side view of the utility model;

[0019] Figure 4 This is a schematic diagram of the double-station vertical pressing structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the limit seat and the limit plate of the utility model;

[0021] Figure 6This is a schematic diagram of the double-station side clamping structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the installation of the double-station vertical pressing structure of the utility model;

[0023] Figure 8 This is a side view of the double-station side clamping structure of the utility model;

[0024] Fig. 9 This is a schematic diagram of the workpiece structure of the utility model.

[0025] Description of reference numerals:

[0026] 1. Flange; 2. Bottom plate; 3. Rib plate; 4. Double-head pressure plate; 5. Pressure plate cylinder; 6. Flange protrusion; 7. Cylinder flange; 8. Hinge plate; 9. Limit seat; 10. Limit plate; 11. Side pressure plate; 12. Pin shaft; 13. Hinge support; 14. Connecting pin; 15. Connecting rod; 16. Rib plate cylinder; 17. Pin hole; 18. Vertical socket; 19. Horizontal socket. DETAILED DESCRIPTION

[0027] The utility model provides Figure 1-Figure 9 A double-station rotary and hydraulic clamp is shown, which includes a flange 1, a bottom plate 2 is installed on one side of the flange 1, and a rib plate 3 is installed in parallel on the flange 1 below the bottom plate 2 to be fixed to the bottom plate 2. A support groove is provided in the middle part of one side of the bottom plate 2, and a limit seat 9 is provided on the surface of the bottom plate 2 near the support groove. The limit seat 9 is "L"-shaped, and a limit plate 10 is vertically installed on its horizontal cross surface to closely fit the vertical surface of the horizontal cross surface. A double-station vertical clamping structure and a double-station side clamping structure are respectively provided on both sides of the limit seat 9;

[0028] See Figure 4 , Figure 7 The double-station vertical clamping structure includes a double-headed pressing plate 4. The double-headed pressing plate 4 is provided with two pressing heads at its head above the limit seat 9. The tail of the double-headed pressing plate 4 is fixedly connected to the cylinder rod head of the pressing plate oil cylinder 5. The cylinder body of the pressing plate oil cylinder 5 passes through the bottom plate 2. The cylinder flange 7 of the cylinder head is installed on the upper surface of the bottom plate 2. Below the double-headed pressing plate 4, a flange protrusion 6 is provided on the surface of the cylinder flange 7. The two sides of the flange protrusion 6 are rotatably connected to the middle part of the double-headed pressing plate 4 through the hinge plate 8 and the bolt pair. The cylinder rod of the pressing plate oil cylinder 5 extends to drive the tail of the double-headed pressing plate 4 to rise. Under the action of the hinge plate 8, the two pressing heads on the double-headed pressing plate 4 will move downward;

[0029] See Figure 6 , Figure 8The double-station side clamping structure includes a side pressure plate 11 and a connecting rod 15. The middle part of the side pressure plate 11 is provided with a convex block which is clamped in the groove of the head of the connecting rod 15. The middle part of the connecting rod 15 is rotatably connected to the hinge support 13 through a pin 12. The hinge support 13 is clamped in the support groove on the side of the bottom plate 2. A rib plate cylinder 16 is installed on the inner side of the rib plate 3 below the bottom plate 2, close to the connecting rod 15. The cylinder rod of the rib plate cylinder 16 is fixedly connected to the end of the connecting rod 15 through a connecting pin 14. The cylinder rod of the rib plate cylinder 16 extends to drive the end of the connecting rod 15 to rotate around the hinge support 13, and the connecting rod 15 will push the side pressure plate 11 to perform a side pressure movement.

[0030] See Figure 4 , Figure 5 , Fig. 9 The vertical surfaces of the limit plate 10 and the limit seat 9 are respectively provided with transverse sockets. When the limit plate 10 and the limit seat 9 are fitted, the transverse sockets on the limit plate 10 and the limit seat 9 correspond to each other and are connected to form a transverse socket 19. Below the two pressure heads of the double-headed pressure plate 4, the horizontal transverse surface of the limit seat 9 is provided with a vertical socket 18, and the position near the vertical socket 18 is provided with a latch hole 17. The transverse socket 19 corresponds to the vertical socket 18. Fig. 9 The through holes on the surface and side of the workpiece and the latch opening 17 are used to install the latch of the workpiece.

[0031] Working principle of this utility model:

[0032] Refer to the instruction manual Figure 1-Figure 9 When using the utility model, first align the workpiece's pin with the pin opening 17 of the limit seat 9 and insert it, place the workpiece on the plane of the limit seat 9, and the side of the workpiece is flush with the limit plate 10, then start the pressure plate cylinder 5 and the rib plate cylinder 16, and the double-head pressure plate 4 and the side pressure plate 11 on the double-station vertical clamping structure and the double-station side clamping structure clamp the top surface and the side surface of the workpiece respectively. After the processing is completed, the pressure plate cylinder 5 and the rib plate cylinder 16 are reset to take out the parts. The fixture has a fast positioning and clamping speed and high positioning accuracy, and can process multiple workpieces at the same time, greatly improving the processing quality and production efficiency.

Claims

1. A double-station rotary and hydraulic clamp, comprising a flange, a bottom plate mounted on one side of the flange, characterized in that: A support groove is arranged in the middle of one side of the bottom plate, a limit seat is arranged on the bottom plate surface near the support groove, and a double-station vertical clamping structure and a double-station side clamping structure are arranged on both sides of the limit seat.

2. A double-station rotary and hydraulic clamp according to claim 1, characterized in that: The double-station vertical clamping structure includes a double-headed pressure plate, and two pressure heads are arranged at the head of the double-headed pressure plate. The tail of the double-headed pressure plate is fixedly connected to the cylinder rod head of the pressure plate cylinder. The cylinder body of the pressure plate cylinder passes through the base plate and the cylinder flange of the cylinder body head is installed on the upper surface of the base plate. Below the double-headed pressure plate, a flange protrusion is arranged on the surface of the cylinder flange, and the flange protrusion is rotatably connected through a hinge plate, a bolt pair and the middle part of the double-headed pressure plate respectively.

3. A double-station rotary and hydraulic clamp according to claim 1 or 2, characterized in that: The double-station side clamping structure includes a side pressure plate and a connecting rod. The middle part of the side pressure plate body is provided with a protrusion that is clamped in the groove of the connecting rod head. The middle part of the connecting rod body is rotatably connected to the hinge support through a pin shaft. The hinge support is clamped in the support groove on the side of the base plate. Below the base plate, a rib plate cylinder is installed on the inner side of the rib plate close to the connecting rod. The cylinder rod of the rib plate cylinder is fixedly connected to the tail of the connecting rod by a connecting nail.

4. A double-station rotary and hydraulic clamp according to claim 3, characterized in that: The limit seat body is in an "L" shape, and a limit plate is vertically installed on its horizontal cross surface to closely fit the vertical surface of the horizontal cross surface.

5. A double-station rotary and hydraulic clamp according to claim 4, characterized in that: The vertical surfaces of the limit plate and the limit seat are respectively provided with horizontal sockets. When the limit plate and the limit seat are in contact, the horizontal sockets on the limit plate and the limit seat correspond to and are connected to form horizontal sockets. Below the two pressure heads of the double-head pressure plate, vertical sockets are provided on the horizontal horizontal surface of the limit seat, and pin openings are provided near the vertical sockets.

6. A double-station rotary and hydraulic clamp according to claim 5, characterized in that: Below the bottom plate, rib plates are installed in parallel on the flange to fix the bottom plate.

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