CN210677885U

CN210677885U - Fixing clamp for lathe machining

Info

Publication number: CN210677885U
Application number: CN201921819211.2U
Authority: CN
Inventors: 翟华林; 张�成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-05
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a fixed clamp for lathe processing, which comprises a clamp base body, a first fastening block, a second fastening block, a strong spring, a variable force hook spring and an adjusting screw rod, one side of the first fastening block 2, which is close to the second fastening block, is provided with an elastic rubber layer which is bonded, a strong spring is arranged between the clamp base body and the first fastening block, the variable force hook spring is arranged between the two hook spring connectors, the outside of one side of the clamp base body, which is vertical to the adjusting screw rod, is fixedly welded with the fixed sheet, the friction force is increased by arranging the elastic rubber layer with the carving patterns on the working surface of the clamping block, and simultaneously certain protection is generated on the fastening object and the working surface of the fastening block, set up powerful spring between first fastening piece and anchor clamps base member, there is the couple spring of variation in force between first fixture block and the second fixture block, and the effect that can also guarantee the fastening when making the adjusting screw who is fastened the object or provide the holding power take place thin deformation and lead to the chucking not hard up.

Description

Fixing clamp for lathe machining

Technical Field

The utility model relates to a mounting fixture technical field, concretely relates to is a mounting fixture for lathe processing.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any process in the process, the device for quickly, conveniently and safely mounting the workpiece may be referred to as a fixture, which generally comprises a positioning element (for determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to be machined at a plurality of stations in one mounting, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (fixture base), and the like.

However, the existing fixing clamp for lathe processing has some disadvantages, for example, when fastening a clamped object, the contact surface is mostly a hard object, if the force is too large, some objects with low hardness or low structural strength are easy to deform or even damage, secondly, when the fixture block with a regular shape is used as the fastening end, the contact area with the fastened irregular object is small, the fastening effect is not good, meanwhile, the existing clamp for providing supporting force through the adjusting screw is used more difficultly when fastening, when the object is fastened, the fixture block is in a static state, if the fastened object or the adjusting screw for providing supporting force generates small deformation, the clamping becomes loose, and the clamping effect is lost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting fixture is used in lathe processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a clamp base body, a first fastening block, a second fastening block, a strong spring, a variable force hook spring and an adjusting screw rod, the sliding connection part of the clamp base body 1 and the first fastening block and the second fastening block is provided with a movable connection port, one side of the first fastening block 2, which is close to the second fastening block, is provided with an adhesive elastic rubber layer, one side of the second fastening block, which is close to the first fastening block, is provided with an adhesive elastic rubber layer, one side of the first fastening block, which is far away from the elastic rubber layer, is provided with a strong spring fixing head which is fixedly welded, a strong spring is arranged between the clamp base body and the first fastening block, the strong spring is arranged on the clamp base body and a strong spring fixing head of the first fastening block, the fixed welding in first fastening block upper portion has the dead lever, dead lever and anchor clamps base member sliding connection department have the dead lever sliding tray, the anchor clamps base member has the stationary blade with adjusting screw vertically one side outside fixed welding.

Further, the fixed welding in one side bottom that first housing block is located elastic rubber layer has couple spring connector, the fixed welding in one side bottom that the second housing block is located elastic rubber layer has couple spring connector, there is the couple spring of variation between two couple spring connectors, the one side welding that the elastic rubber layer was kept away from to the second housing block has the axis of rotation of being connected with adjusting screw rotation, adjusting screw passes through the screw and is connected with the anchor clamps base member, the one end welding that adjusting screw kept away from the second housing block has adjusting nut.

Furthermore, the movable connecting port slides with the first fastening block and the second fastening block through lubricating oil.

Furthermore, the powerful spring is divided into an upper layer and a lower layer, the number of each layer is one, the two ends of the powerful spring are provided with corresponding powerful spring fixing heads, and the inner diameter size of the powerful spring is matched with the size of each powerful spring fixing head.

Furthermore, the height of the fixed rod is equal to that of the fixed rod sliding groove, and a clamping device matched with the size of the fixed rod sliding groove is arranged at one end, far away from the first fastening block, of the fixed rod.

Further, the undeformed length of the variable force hook spring is matched with the distance between the first fastening block and the second fastening block.

Furthermore, the thickness of the elastic rubber layer is three to five millimeters, and one surface of the elastic rubber layer, which is in contact with the fastening object, is provided with a sculpture.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a fastening face at first fixture block and second fixture block has set up the elastic rubber layer, the one side of fastening the object on elastic rubber layer is provided with the sculpture, when the chucking object, the elastic rubber layer makes area of contact increased, frictional force has still been increased simultaneously, make the fastening effect more stable, the object that can also protect simultaneously being fastened, secondly, strong spring has been set up between first fastening block and anchor clamps base member, there is the variable force couple spring between first fixture block and the second fixture block, when the object is fastened, be in quiescent condition between the fixture block, when the chucking is not hard up, strong spring will exert a function with the deformation couple spring, make the object that is fastened be in fastening state always, and simultaneously, the variable force couple spring gives the helping hand when transferring the screw rod in the rotation, thereby reach the effect of fastening.

Drawings

Fig. 1 is a schematic top view of a fixing clamp for lathe machining according to an embodiment of the present invention;

FIG. 2 is a side view of the fixture used in the embodiment of FIG. 1;

FIG. 3 is a schematic structural diagram of a first fixture block of the fixing clamp for lathe machining in the embodiment of FIG. 1;

fig. 4 is a schematic structural diagram of a second fixture block of the fixing clamp for lathe machining in the embodiment of fig. 1.

Reference numerals: 1-a fixture base; 2-a first fastening block; 3-an elastic rubber layer; 4-a rotating shaft; 5-a second fastening block; 6-adjusting a screw rod; 7-fixing the rod; 8-strong spring; 9-variable force hook spring; 10-a fixing sheet; 11-adjusting the screw cap; 12-hook spring connector; 13-a mobile connection port; 14-strong spring fixing head; 15-fixed bar sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1 is a schematic top view of a fixing clamp for lathe machining according to an embodiment of the present invention; FIG. 2 is a side view of the fixture used in the embodiment of FIG. 1; FIG. 3 is a schematic structural diagram of a first fixture block of the fixing clamp for lathe machining in the embodiment of FIG. 1; fig. 4 is a schematic structural diagram of a second fixture block of the fixture for lathe machining in the embodiment of fig. 1, and the fixture for lathe machining is characterized by comprising: a clamp base body 1, a first fastening block 2, a second fastening block 5, strong spring 8, variable force couple spring 9 and adjusting screw 8, anchor clamps base member 1 and first fastening block 2, second fastening block 5 sliding connection department has removal connector 13, there is the elastic rubber layer 3 that bonds in one side that first fastening block 2 is close to the second fastening block, there is the elastic rubber layer 3 that bonds in one side that second fastening block 5 is close to first fastening block 2, there is fixed welded strong spring fixed head 14 in one side that elastic rubber layer 3 was kept away from to first fastening block 2, there is strong spring 8 between anchor clamps base member 1 and the first fastening block 2, strong spring 8 installs on anchor clamps base member 1 and first fastening block 2's strong spring fixed head 14, fixed welding has dead lever 7 on first fastening block 2 upper portion, there is dead lever sliding tray 15 in dead lever 7 and anchor clamps base member 1 sliding connection department, anchor clamps base member 1 and adjusting screw 8 vertically one side outside fixed welding have stationary blade 10.

The bottom of one side of the elastic rubber layer 3 of the first fastening block 2 is fixedly welded with a hook spring connector 12, the bottom of one side of the elastic rubber layer 3 of the second fastening block 2 is fixedly welded with a hook spring connector 12, a variable force hook spring 9 is arranged between the two hook spring connectors 12, one side of the second fastening block 2, which is far away from the elastic rubber layer 3, is welded with a rotating shaft 4 which is rotatably connected with an adjusting screw 6, the adjusting screw 6 is connected with the clamp base body 1 through threads, one end of the adjusting screw 6, which is far away from the second fastening block 2, is welded with an adjusting nut 11, a movable connector 13 slides with the first fastening block 2 and the second fastening block 5 through lubricating oil, the strong springs 8 are divided into an upper layer and a lower layer, the number of each layer is 7, two ends of the strong springs 8 are respectively provided with a strong spring fixing head 14 corresponding to the two ends of the strong, dead lever 7 and dead lever sliding tray 15 height equal, the dead lever 7 keep away from the one end of first fastening block 2 have with dead lever sliding tray 15 size assorted latch device, the distance phase-match between variable force couple spring 9's the undeformed length and first fastening block 2, the second fastening block 5, the thickness on elastic rubber layer 3 is three to five millimeters, the one side on elastic rubber layer 3 contact fastening object has the sculpture.

To sum up, the utility model provides a fixing clamp for lathe processing, when working, through set up the elastic rubber layer 3 at the fastening face of first fixture block 2 and second fixture block 5, set up the sculpture on the one side of the fastening object of elastic rubber layer 3, when the chucking object, utilize the elastic rubber layer 3 characteristic to make area of contact increase, still increased the frictional force simultaneously, make the fastening effect more stable, can also protect the object fastened simultaneously, secondly, set up strong spring 8 between first fastening block 2 and clamp base member 1, be provided with variable force couple spring 9 between first fixture block 2 and second fixture block 5, when the object is fastened, be in the quiescent condition between the fixture block, when the fastening object or the adjusting screw 6 that provides the holding power take place the tiny deformation and lead to the chucking to become flexible, strong spring 8 and deformation couple spring 9 will play a role, the fastened object is always in a fastening state, so that the fastening effect is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a mounting fixture for lathe processing which characterized in that includes: the clamp comprises a clamp base body (1), a first fastening block (2), a second fastening block (5), a strong spring (8), a variable force hook spring (9) and an adjusting screw (6), wherein a movable connecting port (13) is arranged at the sliding connection position of the clamp base body (1) and the first fastening block (2) and the second fastening block (5), a bonded elastic rubber layer (3) is arranged at one side of the first fastening block (2) close to the second fastening block, a bonded elastic rubber layer (3) is arranged at one side of the second fastening block (5) close to the first fastening block (2), a fixedly welded strong spring fixing head (14) is arranged at one side of the first fastening block (2) far away from the elastic rubber layer (3), the strong spring (8) is arranged between the clamp base body (1) and the first fastening block (2), and the strong spring (8) is arranged on the strong spring fixing heads (14) of the clamp base body (1) and the first fastening block (2), the fixed welding in first fastening block (2) upper portion has dead lever (7), dead lever sliding tray (15) have with anchor clamps base member (1) sliding connection department, anchor clamps base member (1) and adjusting screw (6) one side outside fixed welding have stationary blade (10).

2. The fixing clamp for lathe machining as claimed in claim 1, wherein the first fastening block (2) is fixedly welded with a hook spring connector (12) at the bottom of one side of the elastic rubber layer (3), the second fastening block (5) is fixedly welded with a hook spring connector (12) at the bottom of one side of the elastic rubber layer (3), a variable force hook spring (9) is arranged between the two hook spring connectors (12), a rotating shaft (4) rotatably connected with the adjusting screw rod (6) is welded at one side of the second fastening block (5) away from the elastic rubber layer (3), the adjusting screw rod (6) is connected with the clamp base body (1) through threads, and an adjusting nut (11) is welded at one end of the adjusting screw rod (6) away from the second fastening block (5).

3. A stationary fixture for lathe machining according to claim 1, characterized in that the movable connecting port (13) slides with the first fastening block (2) and the second fastening block (5) through lubricating oil.

4. The fixture as claimed in claim 1, wherein the strength spring (8) is divided into an upper layer and a lower layer, the number of each layer is 7, the strength spring (8) has strength spring fixing heads (14) corresponding to the two ends, and the inner diameter of the strength spring (8) is matched with the size of each strength spring fixing head (14).

5. The fixing clamp for lathe machining as claimed in claim 1, wherein the fixing rod (7) and the fixing rod sliding groove (15) are equal in height, and the end of the fixing rod (7) far away from the first fastening block (2) is provided with a clamping device matched with the size of the fixing rod sliding groove (15).

6. A turning attachment according to claim 1, characterised in that the undeformed length of the variable force hook spring (9) matches the distance between the first and second fastening blocks (2, 5).

7. A lathe fixture according to claim 1, wherein the thickness of the elastic rubber layer (3) is three to five mm, and the surface of the elastic rubber layer (3) contacting the fastening object is engraved.