CN219561437U - Clamp for numerical control lathe - Google Patents

Abstract

The utility model provides a fixture for a numerically controlled lathe, which relates to the technical field of the numerically controlled lathe, and comprises a body structure of the numerically controlled lathe. The left and right sides of the inner wall of the body structure of the numerically controlled lathe are provided with slide rail grooves, and the inside of the slide rail groove is slidingly connected with a connecting flattening assembly. , under the action of the cylinder, it is convenient for the displacement transmission assembly to drive the connection and flattening assembly to move on the top of the fixture seat, and at the same time, under the action of the displacement transmission assembly, it is convenient for the connection and flattening assembly to clamp the workpiece placed inside the fixture seat , to reduce the problem that the force generated during the clamping process of polygonal workpieces is easy to cause deformation on the surface of the workpiece, and to improve the overall clamping performance. The extrusion of the workpiece on the other inner side of the seat causes the inner wall of the fixture seat to be damaged and deformed, which will affect the processing or detection accuracy of the workpiece after a long period of operation.

Description

A fixture for a CNC lathe

technical field

The utility model relates to the technical field of numerical control lathes, in particular to a clamp for numerical control lathes.

Background technique

CNC lathe is the abbreviation of digital control machine tool, which is an automatic machine tool equipped with a program control system. The control system can logically process programs with control codes or other symbolic instructions, and decode them, and express them in coded numbers. During the use of CNC lathes, fixtures are required to align workpieces placed above the CNC lathes. It is a device that performs clamping processing so that it occupies the correct position to accept construction and inspection.

However, during the use of specific fixtures for CNC lathes, hydraulic cylinders are often used to drive the pressure plate to clamp the workpiece firmly. When squeezing and clamping, it is easy to squeeze the workpiece on the other inner side of the fixture, causing damage to the inner wall of the fixture and deformation, which will affect the processing or detection accuracy of the workpiece after a long time of operation. Therefore, it is necessary to propose a new Fixtures for CNC lathes.

Utility model content

The purpose of this utility model is to solve the problems existing in the prior art that in the process of using the specific fixtures for CNC lathes, hydraulic cylinders are often used to drive the pressure plate to clamp the workpiece firmly, but the force generated during the clamping process of polygonal workpieces is easy to make The surface of the workpiece is deformed. At the same time, when the hydraulic cylinder is squeezed and clamped, it is easy to squeeze the workpiece on the other inner side of the fixture, causing the inner wall of the fixture to be damaged and deformed. After a long time of operation, it will affect the processing of the workpiece or In order to solve the problem of detection accuracy, a fixture for CNC lathe is proposed.

In order to achieve the above object, the utility model adopts the following technical scheme: a fixture for a CNC lathe, including a CNC lathe body structure, slide rail grooves are opened on the left and right sides of the inner wall of the CNC lathe body structure, and the slide rail grooves There is a connecting flattening assembly slidingly connected inside, the bottom side of the connecting flattening assembly is slidingly connected with a fixture seat, the side end of the connecting flattening assembly is fastened with a displacement transmission assembly, and the outer surface of the CNC lathe body structure The erection is connected with a cylinder;

The connection and flattening assembly includes a connecting rod, sliding wheels are evenly distributed on the outside of the connecting rod, the side corners of the clamp seat are fastened with connecting blocks by bolts, and the left and right ends of the clamp seat The frame is slidably connected with a sliding block, the top of the sliding block is fastened with a pneumatic telescopic rod, and the top of the pneumatic telescopic rod is erected with a guide rail seat, and a sliding dovetail groove is opened through the top side surface of the guide rail seat. The inside of the sliding dovetail groove is slidably connected with a dovetail sliding block, the bottom end of the dovetail sliding block is integrally formed with a pressing bar, and the bottom end of the pressing bar is tightly connected with a rubber block.

Preferably, the displacement transmission assembly includes a feed motor, guide rails are installed on the side of the feed motor, screw bearing seats are installed on both sides of the inner wall of the guide rail, and the output end of the feed motor The shaft is dynamically connected with a ball screw, and the outside of the ball screw is provided with a connecting sliding seat, and the outer wall of the connecting sliding seat is welded with a connecting horizontal block.

Preferably, the inner side of the clamp seat is provided with a mounting groove, and multiple groups of buffer spring groups are fastened inside the mounting groove, and elastic plates are fastened to the other ends of the multiple groups of buffer spring groups, so that A buffer rubber block is bonded to the side of the elastic plate.

Preferably, a fixing pin is inserted into the inside of the slide rail groove through a hole end, and a connecting rubber ring is sleeved on the side of the connecting rod.

Preferably, the two ends of the bottom side of the body structure of the CNC lathe are provided with chute, the bottom of the fixture base is fixedly installed with feet, and the bottom side of the body structure of the CNC lathe is fastened with multiple sets of stands. A torsion piece is installed on the erection end of the stand, and an adjusting screw is connected to the inner side of the torsion piece.

Preferably, a pressing block is fastened to the top end of the adjusting screw, and a mounting hole is uniformly opened on one side surface of the clamp seat.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. In the utility model, under the action of the cylinder, it is convenient for the displacement transmission assembly to drive the connection and flattening assembly to move on the top of the fixture seat, and at the same time, under the action of the displacement transmission assembly, it is convenient for the connection and flattening assembly to move to the inside of the fixture seat. The placed workpiece is clamped to reduce the problem that the force generated during the clamping process of the polygonal workpiece is easy to cause deformation on the surface of the workpiece, and it is convenient to improve the overall clamping performance.

2. In this utility model, under the cooperative action of the buffer spring group, the elastic plate and the buffer rubber block, it is convenient to reduce the extrusion of the workpiece on the other inner side of the fixture seat, causing the inner wall of the fixture seat to be damaged and deformed. A problem that will affect the processing or detection accuracy of the workpiece.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram that the utility model proposes a kind of clamp for numerically controlled lathe;

Fig. 2 is a partial structural schematic diagram of a fixture for a numerically controlled lathe proposed by the present invention;

Fig. 3 is a partial structural schematic diagram of a fixture for a numerically controlled lathe proposed by the present invention.

Legend: 1. Numerical control lathe body structure; 2. Slide rail groove; 3. Fixing pin; 4. Connecting rubber ring; 5. Connecting flattening components; 51. Connecting rod; 52. Sliding wheel; , sliding block; 55, pneumatic telescopic rod; 56, guide rail seat; 57, sliding dovetail groove; 58, dovetail sliding block; 6, displacement transmission assembly; 61, feed motor; 62, guide rail; 63, ball screw; 64 , connecting sliding seat; 65, connecting horizontal block; 7, cylinder; 8, fixture seat; 9, chute; 10, foot; 11, stand; 12, torsion piece; , installation hole; 16, installation slot; 161, buffer spring group; 162, elastic plate; 163, buffer rubber block.

Detailed ways

In order to understand more clearly the above purpose, features and advantages of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here. Therefore, the utility model is not limited to the specific details of the following disclosure EXAMPLE LIMITATIONS.

Example 1

As shown in Figures 1-3, the utility model provides a technical solution: a fixture for a CNC lathe, including a CNC lathe body structure 1, slide rail grooves 2 are provided on the left and right sides of the inner wall of the CNC lathe body structure 1, and the slide rails The inner part of the slot 2 is slidingly connected with a connection flattening assembly 5, the bottom side of the connection flattening assembly 5 is slidingly connected with a clamp seat 8, the side end of the connection flattening assembly 5 is fastened with a displacement transmission assembly 6, and the CNC lathe body structure 1 The outer surface of the connecting rod 5 is erected and connected with a cylinder 7; the connecting and flattening assembly 5 includes connecting rods 51, and sliding wheels 52 are evenly distributed on the outside of the connecting rods 51, and the side corners of the clamp seat 8 are connected with connecting blocks 53 by bolts. The left and right ends of the fixture base 8 are slidably connected with a sliding block 54, the top of the sliding block 54 is fastened with a pneumatic telescopic rod 55, the top of the pneumatic telescopic rod 55 is erected with a guide rail seat 56, and the top side surface of the guide rail seat 56 is A sliding dovetail groove 57 is opened through it, and a dovetail sliding block 58 is slidably connected to the inside of the sliding dovetail groove 57. The bottom end of the dovetail sliding block 58 is integrally formed with a pressure rod, and the bottom end of the pressure rod is fastened with a rubber block, and the displacement transmission assembly 6 includes a feed motor 61, a guide rail 62 is installed on the side of the feed motor 61, and a screw bearing seat is installed on both sides of the inner wall of the guide rail 62, and the output end of the feed motor 61 is axially connected to a ball screw 63 , The outer side of the ball screw 63 is provided with a connecting sliding seat 64, and the outer wall of the connecting sliding seat 64 is welded with a connecting horizontal block 65.

In this embodiment, under the action of the slide rail grooves 2 provided on the left and right sides of the inner wall of the CNC lathe body structure 1, it is convenient to disassemble and replace the fixture seat 8 as a whole, and a connecting flattening assembly is slidably connected inside the slide rail groove 2 5. A displacement transmission assembly 6 is fastened to the side end of the connection and flattening assembly 5. Under the action of the cylinder 7 erected and connected on the outer surface of the CNC lathe body structure 1, it is convenient for the displacement transmission assembly 6 to drive the connection and flattening assembly 5 in the fixture The top of the seat 8 is displaced; the connection and flattening assembly 5 includes a connecting rod 51, and under the cooperation of the connecting rod 51 and the sliding wheel 52, it is convenient to make the clamp seat 8 slide inside the slide rail groove 2, and on the side of the clamp seat 8 Under the action of the connecting block 53 that is fastened and connected by bolts, the connecting rod 51 is tightly connected to the clamp seat 8, and the sliding blocks 54 are slidably connected to the side frames at the left and right ends of the clamp seat 8, and the top of the sliding block 54 is fastened and connected. Under the action of the pneumatic telescopic rod 55, it is convenient to drive the guide rail seat 56 erected and installed on the top of the pneumatic telescopic rod 55 to carry out lifting operations, and under the action of the sliding dovetail groove 57 opened through the top side surface of the guide rail seat 56, it is convenient to make the inside of the sliding dovetail groove 57 slide The connected dovetail sliding block 58 is displaced, and at the same time, under the action of the pressure bar integrally formed at the bottom end of the dovetail sliding block 58 and the rubber block fastened to the bottom end of the pressing bar, it is convenient to adjust the internal position of the clamp seat 8 under the action of the pneumatic telescopic rod 55. The placed workpiece is pressed down and clamped to reduce the problem that the force generated during the clamping process of the polygonal workpiece is easy to cause deformation on the surface of the workpiece, which is convenient to improve the overall clamping performance. The displacement transmission assembly 6 includes a feed motor 61. Under the action of the feed motor 61, the ball screw 63 that is axially connected to the output end of the feed motor 61 rotates with the cooperation of the screw bearing seats installed on both sides of the inner wall of the guide rail 62, and then drives the ball screw 63 installed on the outer side of the ball screw 63. The sliding seat 64 slides on the surface of the sliding frame provided inside the guide rail 62, and then drives the connecting horizontal block 65 welded on the outer wall of the connecting sliding seat 64, and the connecting horizontal block 65 is connected with the dovetail sliding block 58 at the same time.

Example 2

As shown in Figures 1-3, the inner side of the clamp seat 8 is provided with a mounting groove 16, and the inside of the mounting groove 16 is fastened with multiple groups of buffer spring groups 161, and the other ends of the multiple groups of buffer spring groups 161 are fastened and connected with The elastic plate 162, the side of the elastic plate 162 is bonded with a buffer rubber block 163, the inside of the slide rail groove 2 is inserted with a fixed pin 3 through the hole end, and the side of the connecting rod 51 is sleeved with a connecting rubber ring 4, CNC lathe The two ends of the bottom side of the body structure 1 are provided with chute 9, the bottom of the fixture seat 8 is fixedly installed with feet 10, and the bottom side of the body structure 1 of the CNC lathe is fastened with multiple groups of vertical frames 11, and the multiple groups of vertical frames 11 The erection end is erected with a torsion piece 12, the inner side of the torsion piece 12 is connected with an adjustment screw 13, and the top of the adjustment screw 13 is fastened with a pressure block 14, and one side surface of the clamp seat 8 is uniformly provided with a mounting hole 15.

In this embodiment, under the action of the mounting groove 16 provided on the inner side of the clamp seat 8, the multiple groups of buffer spring groups 161 that are tightly installed inside the mounting groove 16 are installed. The elastic plate 162 fastened to the other end of 161 and the buffer rubber block 163 bonded to the side of the elastic plate 162 cooperate to reduce the extrusion of the workpiece on the other inner side of the fixture seat 8, causing the inner wall of the fixture seat 8 to be damaged and deformed. , after a long time of operation, it will affect the processing or detection accuracy of the workpiece. Under the action of the fixed pin 3 inserted through the hole end inside the slide rail groove 2, it is convenient to fix the fixture seat 8 and the connection during the clamping process. Rod 51 has the problem of offset inside slide rail groove 2, and at the same time, under the action of connecting rubber ring 4 sleeved on the side of connecting rod 51, it is convenient to reduce the distance between connecting rod 51 and fixed pin 3, forming an abutment state, further To reduce the problem that the offset and shaking of the fixture seat 8 during the processing will affect the machining accuracy of the workpiece, under the action of the chute 9 opened at both ends of the bottom side of the CNC lathe body structure 1, the disassembly and replacement of the fixture seat 8 is assisted. At the bottom of the fixture seat 8, a foot 10 is fixedly installed. On the bottom side of the CNC lathe body structure 1, multiple sets of vertical frames 11 are fastened. Under the action of adjustment, the adjusting screw 13 connected to the inner side of the torsion member 12 can effectively clamp irregular and polygonal workpieces. Under the action of the pressing block 14 tightly connected to the top of the adjusting screw 13, the side of the pressing block 14 is set The shovel-shaped structure is convenient for better clamping when the workpiece is placed. At the same time, a ring groove soft rubber block is provided on the outer surface of the pressure block 14 to reduce damage to the surface of the workpiece during the clamping process. Under the action of the installation hole 15 evenly penetrating through the side surface, it is convenient for the staff to adjust and clamp the workpiece placed inside the fixture seat 8, so that the stand 11, the torsion member 12, the adjustment screw 13 and the pressing block 14 can be replaced and clamped , or select Add, Decrease Gripping Strength.

The working principle of this embodiment: when in use, first, under the action of the slide rail groove 2 and the slide groove 9, it is convenient to disassemble and replace the fixture seat 8, and then place the workpiece to be clamped and processed, and then pass the feeding Under the action of the motor 61, the ball screw 63 rotates under the cooperation of the screw bearing seat, and then drives the connecting sliding seat 64 to slide on the surface of the sliding frame provided inside the guide rail 62, and then drives the connecting horizontal block 65, the dovetail sliding block 58, the pressing The rod and the rubber block are displaced inside the sliding dovetail groove 57, and at the same time, under the action of the pneumatic telescopic rod 55, the pressing rod and the rubber block can clamp and pressurize the placed workpiece, reducing the effect generated during the clamping process of the polygonal workpiece The force easily causes deformation on the surface of the workpiece, which is convenient to improve the overall clamping performance, and then under the action of the cylinder 7, it is convenient to make the displacement transmission component 6 drive the connection and flattening component 5 to move on the top of the clamp seat 8, and at the same time, the buffer spring 161. Under the cooperative action of the elastic plate 162 and the buffer rubber block 163, it is convenient to reduce the extrusion of the workpiece on the other inner side of the fixture seat 8, causing the inner wall of the fixture seat 8 to be damaged and deformed, which will affect the processing or processing of the workpiece after a long period of operation. To detect the problem of accuracy, the staff can adjust and clamp the irregular-shaped workpiece inside the fixture seat 8 through the stand 11, the torsion member 12, the adjustment screw 13 and the pressure block 14, and at the same time, under the action of the installation hole 15, It is convenient for the staff to adjust and clamp the workpiece placed inside the fixture seat 8, so that the position of the stand 11, the torsion member 12, the adjustment screw 13 and the pressure block 14 can be changed and clamped, or the clamping strength can be selected to be added or reduced. The specific implementation The process is over.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (6)

1. A fixture for a numerically controlled lathe, characterized in that: comprise a numerically controlled lathe body structure (1), the left and right sides of the inwall of said numerically controlled lathe body structure (1) are provided with slide rail grooves (2), said slide rail grooves The inner sliding connection of (2) is connected with a flattening assembly (5), the bottom side of the flattening assembly (5) is slidingly connected with a clamp seat (8), and the side end of the flattening assembly (5) is tightly connected. A displacement transmission assembly (6) is fixedly connected, and a cylinder (7) is erected and connected to the outer surface of the CNC lathe body structure (1); The connection and flattening assembly (5) includes a connecting rod (51), and sliding wheels (52) are evenly distributed on the outside of the connecting rod (51), and the side corners of the clamp seat (8) are tightened by bolts. A connecting block (53) is fixedly connected, and a sliding block (54) is slidably connected to the left and right side frames of the clamp seat (8), and the top of the sliding block (54) is fastened to a pneumatic telescopic rod (55). , the top of the pneumatic telescopic rod (55) is erected with a guide rail seat (56), and the top side surface of the guide rail seat (56) is penetrated with a sliding dovetail groove (57), and the sliding dovetail groove (57) A dovetail sliding block (58) is slidably connected inside, and the bottom end of the dovetail sliding block (58) is integrally formed with a pressing bar, and the bottom end of the pressing bar is tightly connected with a rubber block. 2. A fixture for a numerically controlled lathe according to claim 1, characterized in that: the displacement transmission assembly (6) includes a feed motor (61), and the side of the feed motor (61) is erected and installed There is a guide rail (62), the inner wall of the guide rail (62) is provided with screw bearing housings installed on both sides, the output end of the feed motor (61) is axially connected with a ball screw (63), and the ball screw The outer side of the rod (63) is provided with a connecting sliding seat (64), and the outer wall of the connecting sliding seat (64) is welded with a connecting horizontal block (65). 3. A fixture for a numerically controlled lathe according to claim 1, characterized in that: the inner side of the fixture seat (8) is provided with a mounting groove (16), and the interior of the mounting groove (16) is fastened Multiple groups of buffer spring groups (161) are installed, and the other ends of the plurality of groups of buffer spring groups (161) are fastened to elastic plates (162), and buffer rubber blocks are bonded to the sides of the elastic plates (162) (163). 4. A fixture for a numerically controlled lathe according to claim 1, characterized in that: the inside of the slide rail groove (2) is inserted with a fixed pin (3) through the hole end, and the connecting rod (51) A connecting rubber ring (4) is sleeved on the side. 5. A clamp for a CNC lathe according to claim 1, characterized in that: two ends of the bottom side of the CNC lathe body structure (1) are provided with chute (9), the clamp seat (8) The bottom end is fixedly equipped with feet (10), and the bottom side of the CNC lathe body structure (1) is fastened with multiple sets of stands (11). part (12), the inner side of the torsion part (12) is connected with an adjusting screw rod (13). 6. A clamp for a numerically controlled lathe according to claim 5, characterized in that: a pressure block (14) is fastened to the top of the adjusting screw (13), and one side surface of the clamp seat (8) Mounting holes (15) are arranged uniformly through.