CN113523842B

CN113523842B - Quick clamping machine tool clamp for numerical control machine tool

Info

Publication number: CN113523842B
Application number: CN202111077974.6A
Authority: CN
Inventors: 艾明宏
Original assignee: Pizhou Runbo Home Furnishing Co ltd
Current assignee: Pizhou Runbo Home Furnishing Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-12-03
Anticipated expiration: 2041-09-15
Also published as: CN113523842A

Abstract

The invention relates to the technical field of machining, and discloses a quick-clamping machine tool clamp for a numerical control machine tool, wherein a bottom plate is provided with an elastic spring, the elastic spring is provided with an operating plate, the bottom plate is provided with a mounting pipe, the mounting pipe is provided with a telescopic cavity, the operating plate is provided with an insert rod, the insert rod is provided with a connecting disc, the bottom plate is provided with a mounting plate, the mounting plate is provided with a U-shaped plate, the U-shaped plate is provided with a chute, the chute is provided with an adjusting spring, the adjusting spring is provided with a sliding block, the sliding block is assembled in the chute, the sliding block is provided with an inverted L-shaped pressing plate, the bottom plate is provided with a slot, and the operating plate is provided with a pressing rod, the quick-clamping machine tool clamp for the numerical control machine tool solves the problems that the clamping force of the clamp to a workpiece is difficult to grasp when the workpiece is clamped by the existing machine tool clamp, the workpiece is easy to deform and damage due to fastening and clamping, the normal use of the workpiece is influenced.

Description

Quick clamping machine tool clamp for numerical control machine tool

Technical Field

The invention relates to the technical field of machining, in particular to a quick-clamping machine tool clamp for a numerical control machine tool.

Background

The machine tool clamp is a device for clamping a workpiece and guiding a cutter on a machine tool, is specially designed for a certain procedure of a certain workpiece, and is characterized by compact structure, rapid, convenient and labor-saving operation and capability of ensuring higher processing precision and production efficiency.

However, the existing machine tool clamp has the following problems in the use process:

when the machine tool clamp clamps a workpiece, the clamping force of the clamp on the workpiece is difficult to grasp, the workpiece is easy to deform and damage due to fastening and clamping, and the normal use of the workpiece is influenced, so that the quick-clamping machine tool clamp for the numerical control machine tool is necessary to be used in the technical field of the existing machining.

Disclosure of Invention

Technical problem to be solved

The invention provides a quick-clamping machine tool clamp for a numerical control machine tool, which has the advantages of high efficiency and quick clamping and solves the problems that when an existing machine tool clamp clamps a workpiece, the clamping force of the clamp on the workpiece is difficult to grasp, the workpiece is easy to deform and damage due to fastening and clamping, and the normal use of the workpiece is influenced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a quick-clamping machine tool clamp for a numerical control machine tool comprises a bottom plate, wherein two groups of elastic springs are symmetrically and fixedly assembled on the bottom plate, an operation plate is fixedly assembled at the top of each elastic spring, installation pipes are symmetrically and fixedly assembled on the bottom plate and are respectively positioned between each group of elastic springs, telescopic cavities are respectively arranged inside the installation pipes, insertion rods are symmetrically and fixedly assembled at the bottom of the operation plate, the insertion rods movably penetrate through the installation pipes, a connection disc is fixedly assembled at one end of each insertion rod and is positioned in the telescopic cavities, two groups of installation plates are symmetrically and fixedly assembled on the surface of the bottom plate, a U-shaped plate is rotatably assembled between the installation plates of each group, the U-shaped plate is close to the elastic springs, sliding grooves are symmetrically arranged on the U-shaped plate, adjusting springs are fixedly assembled on the sliding grooves, and sliding blocks are fixedly assembled at the bottoms of the adjusting springs, the slide blocks are movably assembled in the sliding grooves, inverted L-shaped press plates are fixedly assembled among the slide blocks, slots are symmetrically formed in the surface of the bottom plate and are located between the mounting plates of each group, compression rods are symmetrically and fixedly assembled at the bottoms of the operating plates and are located above the inverted L-shaped press plates;

the bottom of the operation plate is symmetrically and fixedly provided with an L-shaped baffle, the bottom of the operation plate is symmetrically and fixedly provided with an operation pipe, the operation pipe is positioned on one side of the L-shaped baffle, movable cavities are arranged in the operation pipe, telescopic springs are arranged on the movable cavities, fixed disks are arranged at the bottoms of the telescopic springs, the fixed disks are positioned in the movable cavities, movable rods are fixedly arranged at the bottoms of the fixed disks, the movable rods movably penetrate through the operation pipe, pressure plates are fixedly arranged at the bottoms of the movable rods, and the pressure plates are positioned below the operation pipe;

the movable rod on all fixed being equipped with the limiting plate, the limiting plate is located L type baffle under, pressure disk bottom fixed being equipped with rubber cushion, it is fixed to the centre gripping of work piece for a long time through the pressure disk, lead to wearing and tearing to appear in the pressure disk bottom easily, influence the centre gripping effect in later stage, can avoid appearing the wearing and tearing condition more effectively through the deformability that relies on rubber cushion, also can play the effect of protection to the pressure disk simultaneously.

Preferably, when the surface of the limiting plate is contacted with the bottom of the L-shaped baffle, the movable rod pushes the fixed plate to be incapable of moving continuously in the inner movable cavity of the operating pipe by virtue of the telescopic spring.

Preferably, the bottom plate on the symmetry fixed mounting have a riser, fixed mounting has first connecting plate and second connecting plate between the riser, first connecting plate and second connecting plate are located the top of operation panel respectively, and first connecting plate is located the top of second connecting plate.

Preferably, the first connecting plate and the second connecting plate are symmetrically and fixedly provided with connecting rods, the first connecting plate is fixedly provided with a motor, the bottom of the motor is fixedly provided with a screw rod, and the screw rod movably penetrates through the first connecting plate and the second connecting plate and rotates on the first connecting plate and the second connecting plate.

Preferably, the connecting rod with the lead screw on the activity be equipped with the movable block, the rotation of lead screw for the movable block reciprocates on the connecting rod.

Preferably, the symmetrical both sides face of movable block all fixed assembly have the fixed plate, the fixed plate is located the both sides of second connecting plate, and the bottom of fixed plate carries out fixed assembly with the surface of operation panel, the operation panel follows the fixed plate and reciprocates along with the movable block together.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. the invention relates to a quick-clamping machine tool clamp for a numerical control machine tool, wherein a workpiece to be processed is placed on the surface of a bottom plate, a U-shaped plate is rotated on a mounting plate, an inverted L-shaped pressing plate is positioned under a pressing rod and is arranged on one side of the workpiece, a motor is started, a screw rod is rotated to drive a movable block to move on a connecting rod, a fixed plate moves up and down along with the fixed plate, an operating plate is pushed to move up and down, when the operating plate moves downwards, a pressing plate is contacted with the surface of the workpiece, the movable rod moves in a movable cavity of an operating pipe, when a limiting plate is contacted with an L-shaped baffle plate, a telescopic spring in the operating pipe stops contracting, the pressing rod moves downwards at the same time, sliding blocks on two sides of the inverted L-shaped pressing plate are pushed to move in a sliding groove of the U-shaped plate, an adjusting spring is stretched, one end of the inverted L-shaped pressing plate moves into a slot, and the side face of the workpiece is clamped by the inverted L-shaped pressing plate, under the elastic force action of the adjusting spring and the telescopic spring, the clamp can effectively buffer the surface of the workpiece, and the deformation and damage to the surface of the workpiece are reduced.

2. According to the quick-clamping machine tool clamp for the numerical control machine tool, the motor is started, the generated vibration affects the clamp, the inverted L-shaped pressing plate acts on the adjusting spring through the expansion spring in the movable cavity on the operating pipe and the adjusting spring in the chute on the U-shaped plate, the pressing plate acts on the expansion spring through the movable rod and the fixed disk, the starting of the motor can be effectively damped, the workpiece movement caused by vibration is further avoided, and the practical influence on the processing of the workpiece is effectively realized.

3. According to the quick-clamping machine tool clamp for the numerical control machine tool, the U-shaped plate rotates on the mounting plate, so that a workpiece can be conveniently mounted on the surface of the bottom plate, and the reverse L-shaped pressing plate can be conveniently clamped on two sides of the workpiece through reverse rotation of the U-shaped plate.

4. According to the quick-clamping machine tool clamp for the numerical control machine tool, the workpiece is clamped and fixed by the pressure plate for a long time, so that the bottom of the pressure plate is easily abraded, the later-stage clamping effect is affected, the abrasion condition can be effectively avoided by depending on the deformation capacity of the rubber cushion, and meanwhile, the pressure plate can be protected.

Drawings

FIG. 1 is a schematic structural view of a quick clamping machine tool clamp for a numerically controlled machine tool according to the present invention;

FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the bottom structure of the fast clamping machine tool fixture for the numerically controlled machine tool according to the present invention;

FIG. 4 is an enlarged view of the structure at B of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a part of a cross-sectional structure of a quick clamping machine tool clamp for a numerically controlled machine tool according to the present invention;

FIG. 6 is a schematic view showing the internal cross-sectional structure of the telescopic mechanism according to the present invention;

FIG. 7 is a schematic view of a platen clamping mechanism according to the present invention.

In the figure:

10. a base plate; 11. a vertical plate; 12. a first connecting plate; 13. a second connecting plate;

20. a connecting rod; 21. a screw rod; 22. a motor; 23. a movable block;

30. a fixing plate; 31. an operation panel; 32. an elastic spring; 33. inserting a rod;

40. installing a pipe; 41. a pressure lever; 42. an L-shaped baffle plate; 43. operating the tube;

50. a movable rod; 51. a platen; 52. a limiting plate; 53. mounting a plate;

60. a U-shaped plate; 61. a chute; 62. adjusting the spring; 63. a slider;

70. an inverted L-shaped platen; 71. a slot; 72. a telescoping chamber; 73. a connecting disc;

80. a movable cavity; 81. a tension spring; 82. fixing the disc; 83. a rubber cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 7, which are schematic structural views of a quick-clamping machine tool clamp for a numerically-controlled machine tool according to a preferred embodiment of the present invention, the quick-clamping machine tool clamp for a numerically-controlled machine tool includes a bottom plate 10, two sets of elastic springs 32 are symmetrically and fixedly mounted on the bottom plate 10, an operation plate 31 is fixedly mounted on the top of each elastic spring 32, mounting pipes 40 are symmetrically and fixedly mounted on the bottom plate 10, two mounting pipes 40 are respectively located between each set of elastic springs 32, a telescopic cavity 72 is disposed inside each mounting pipe 40, an insertion rod 33 is symmetrically and fixedly mounted on the bottom of the operation plate 31, the insertion rod 33 movably penetrates through the mounting pipes 40, a connecting plate 73 is fixedly mounted on one end of each insertion rod 33, the connecting plate 73 is located in the telescopic cavity 72, and two sets of mounting plates 53 are symmetrically and fixedly mounted on the surface of the bottom plate 10, the U-shaped plate 60 is rotatably assembled between the mounting plates 53 of each group, the U-shaped plate 60 is close to the elastic spring 32, sliding grooves 61 are symmetrically arranged on the U-shaped plate 60, adjusting springs 62 are fixedly assembled on the sliding grooves 61, sliding blocks 63 are fixedly assembled at the bottoms of the adjusting springs 62, the sliding blocks 63 are movably assembled in the sliding grooves 61, inverted L-shaped pressing plates 70 are fixedly assembled between the sliding blocks 63, inserting grooves 71 are symmetrically arranged on the surface of the bottom plate 10, the inserting grooves 71 are respectively positioned between the mounting plates 53 of each group, pressing rods 41 are symmetrically and fixedly assembled at the bottom of the operating plate 31 and are respectively positioned above the inverted L-shaped pressing plates 70, L-shaped baffles 42 are symmetrically and fixedly assembled at the bottom of the operating plate 31, operating pipes 43 are symmetrically and fixedly assembled at the bottom of the operating plate 31, and the operating pipes 43 are positioned at one side of the L-shaped baffles 42, the inner part of the operating pipe 43 is provided with a movable cavity 80, the movable cavity 80 is provided with a telescopic spring 81, the bottom of the telescopic spring 81 is provided with a fixed disc 82, the fixed disc 82 is positioned in the movable cavity 80, the bottom of the fixed disc 82 is fixedly provided with a movable rod 50, the movable rod 50 movably penetrates through the operating pipe 43, the bottom of the movable rod 50 is fixedly provided with a pressure plate 51, the pressure plate 51 is positioned below the operating pipe 43, the movable rod 50 is fixedly provided with a limiting plate 52, the limiting plate 52 is positioned under the L-shaped baffle 42, the bottom of the pressure plate 51 is fixedly provided with a rubber cushion 83, the pressure plate 51 clamps and fixes a workpiece for a long time, the bottom of the pressure plate 51 is easily abraded, the later-stage clamping effect is influenced, and the abrasion condition can be effectively avoided by depending on the deformation capability of the rubber cushion 83, meanwhile, the pressure plate 51 can be protected, and when the surface of the limiting plate 52 is contacted with the bottom of the L-shaped baffle 42, the movable rod 50 pushes the fixed disc 82 to be incapable of continuously moving in the inner movable cavity 80 of the operating pipe 43 by virtue of the telescopic spring 81.

The bottom plate 10 is symmetrically and fixedly provided with vertical plates 11, a first connecting plate 12 and a second connecting plate 13 are fixedly arranged between the vertical plates 11, the first connecting plate 12 and the second connecting plate 13 are respectively positioned above an operating plate 31, the first connecting plate 12 is positioned above the second connecting plate 13, connecting rods 20 are symmetrically and fixedly arranged between the first connecting plate 12 and the second connecting plate 13, the first connecting plate 12 is fixedly provided with a motor 22, the bottom of the motor 22 is fixedly provided with a screw rod 21, the screw rod 21 movably penetrates through the first connecting plate 12 and the second connecting plate 13 and rotates on the first connecting plate 12 and the second connecting plate 13, movable blocks 23 are movably arranged on the connecting rods 20 and the screw rod 21, and the screw rod 21 rotates to enable the movable blocks 23 to move up and down on the connecting rods 20, the two symmetrical side surfaces of the movable block 23 are fixedly provided with fixing plates 30, the fixing plates 30 are positioned on two sides of the second connecting plate 13, and the bottom of the fixing plates 30 is fixedly assembled with the surface of the operating plate 31.

In this embodiment, a workpiece to be processed is placed on the surface of the bottom plate 10, the U-shaped plate 60 is rotated on the mounting plate 53, so that the inverted L-shaped pressing plate 70 is located right below the pressing rod 41, the inverted L-shaped pressing plate 70 is located on one side of the workpiece, the motor 22 is started, so that the rotation of the screw rod 21 drives the movable block 23 to move on the connecting rod 20, the fixed plate 30 moves up and down along with the pressing rod 41, the operating plate 31 is pushed to move up and down, when the operating plate 31 moves down, the pressing plate 51 contacts with the surface of the workpiece, the movable rod 50 moves in the movable cavity 80 of the operating tube 43, when the limiting plate 52 contacts with the L-shaped baffle 42, the expansion spring 81 in the operating tube 43 stops contracting, and simultaneously the pressing rod 41 moves down, the sliding blocks 63 on both sides of the inverted L-shaped pressing plate 70 are pushed to move in the sliding grooves 61 of the U-shaped plate 60, the adjusting spring 62 stretches, one end of the inverted-L-shaped pressing plate 70 moves towards the slot 71, the inverted-L-shaped pressing plate 70 clamps the side face of the workpiece, and under the elastic force action of the adjusting spring 62 and the telescopic spring 81, the clamp effectively buffers the surface of the workpiece, and deformation damage to the surface of the workpiece is reduced.

Example 2

As shown in fig. 1 to 7, which are schematic structural diagrams of a machine tool clamp for rapid clamping of a numerical control machine tool according to another preferred embodiment of the present invention, when a motor 22 is started, the generated vibration affects the clamp, an inverted L-shaped pressing plate 70 acts on an adjusting spring 62 through a sliding block 63 by virtue of an expansion spring 81 in a movable cavity 80 on an operation tube 43 and the adjusting spring 62 in a sliding groove 61 on a U-shaped plate 60, and a pressing plate 51 acts on the expansion spring 81 through a movable rod 50 and a fixed plate 82, so that the starting of the motor 22 can be effectively damped, the movement of a workpiece caused by the vibration can be further avoided, and the processing of the workpiece can be effectively influenced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A quick-clamping machine tool clamp for a numerical control machine tool comprises a bottom plate (10),

the method is characterized in that:

the bottom plate (10) on the symmetry fixed be equipped with two sets of elastic spring (32), the top fixed be equipped with operation panel (31) of elastic spring (32), bottom plate (10) on the symmetry fixed be equipped with installation pipe (40), two installation pipe (40) are located respectively between every group elastic spring (32), the inside of installation pipe (40) all is provided with flexible chamber (72), the bottom symmetry fixed be equipped with inserted bar (33) of operation panel (31), inserted bar (33) activity runs through installation pipe (40) to the equal fixed connection pad (73) that is equipped with of one end of inserted bar (33), connection pad (73) are located flexible chamber (72), the fixed two sets of mounting panel (53) that are equipped with in surface symmetry of bottom plate (10), rotate between every group of mounting panel (53) and be equipped with U template (60), U template (60) are close to elastic spring (32), the U-shaped plate (60) is symmetrically provided with sliding grooves (61), adjusting springs (62) are fixedly assembled on the sliding grooves (61), sliding blocks (63) are fixedly assembled at the bottoms of the adjusting springs (62), the sliding blocks (63) are movably assembled in the sliding grooves (61), inverted L-shaped pressing plates (70) are fixedly assembled between the sliding blocks (63), slots (71) are symmetrically formed in the surface of the bottom plate (10), the slots (71) are located between the mounting plates (53) of each group, pressing rods (41) are symmetrically and fixedly assembled at the bottoms of the operating plates (31), and the pressing rods (41) are located above the inverted L-shaped pressing plates (70);

the bottom of the operating panel (31) is symmetrically and fixedly provided with an L-shaped baffle (42), the bottom of the operating panel (31) is symmetrically and fixedly provided with an operating tube (43), the operating tube (43) is positioned on one side of the L-shaped baffle (42), the operating tube (43) is internally provided with a movable cavity (80), the movable cavity (80) is provided with a telescopic spring (81), the bottom of the telescopic spring (81) is provided with a fixed disc (82), the fixed disc (82) is positioned in the movable cavity (80), the bottom of the fixed disc (82) is fixedly provided with a movable rod (50), the movable rod (50) movably penetrates through the operating tube (43), the bottom of the movable rod (50) is fixedly provided with a pressure plate (51), and the pressure plate (51) is positioned below the operating tube (43);

all fixed limiting plate (52) of being equipped with on movable rod (50), limiting plate (52) are located L type baffle (42) under, pressure disk (51) bottom fixed rubber cushion (83) of being equipped with.

2. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: when the surface of the limiting plate (52) is contacted with the bottom of the L-shaped baffle (42), the movable rod (50) pushes the fixed disc (82) to be incapable of continuously moving in the internal movable cavity (80) of the operating pipe (43) by virtue of the telescopic spring (81).

3. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 2, characterized in that: bottom plate (10) on the symmetry fixed be equipped with riser (11), fixed be equipped with first connecting plate (12) and second connecting plate (13) between riser (11), first connecting plate (12) and second connecting plate (13) are located the top of operation panel (31) respectively, and first connecting plate (12) are located the top of second connecting plate (13).

4. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 3, characterized in that: the connecting rod (20) is symmetrically and fixedly assembled between the first connecting plate (12) and the second connecting plate (13), the motor (22) is fixedly assembled on the first connecting plate (12), the screw rod (21) is fixedly assembled at the bottom of the motor (22), and the screw rod (21) movably penetrates through the first connecting plate (12) and the second connecting plate (13) and rotates on the first connecting plate (12) and the second connecting plate (13).

5. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 4, characterized in that: the connecting rod (20) and the screw rod (21) are movably provided with a movable block (23), and the screw rod (21) rotates to enable the movable block (23) to move up and down on the connecting rod (20).

6. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 5, characterized in that: the two symmetrical side surfaces of the movable block (23) are fixedly provided with fixing plates (30), the fixing plates (30) are positioned on two sides of the second connecting plate (13), and the bottom of each fixing plate (30) is fixedly assembled with the surface of the operating plate (31).