CN215617586U

CN215617586U - Positioning fixture for machining stamping parts

Info

Publication number: CN215617586U
Application number: CN202121887761.5U
Authority: CN
Inventors: 张岩; 于健; 温明旭
Original assignee: Changchun Hongzuan Auto Parts Co ltd
Current assignee: Changchun Hongzuan Auto Parts Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-25
Anticipated expiration: 2031-08-12

Abstract

The application provides a positioning fixture for machining of stamping parts, and belongs to the technical field of fixture tools. The positioning fixture for machining the stamping part comprises a positioning assembly, a first clamping assembly and a second clamping assembly. The threaded sleeve is fixed the top one end of support frame, rotatory hand wheel is fixed the one end of threaded rod, buffering locating plate fixed connection be in one side of connecting plate. The first screw rod with fixed connection between the second screw rod, the one end of first screw rod with the output of motor is connected, the one end of second screw rod with the top of support frame is rotated and is connected, the adapter sleeve screw thread cup joints first screw rod with on the second screw rod, adjust splint with the one end of adapter sleeve is articulated. The stamping part clamping device is beneficial to positioning the stamping part, reduces the offset of the stamping part, improves the clamping effect of the stamping part, and is beneficial to clamping the stamping parts with different heights.

Description

Positioning fixture for machining stamping parts

Technical Field

The application relates to the field of clamp tools, in particular to a positioning clamp for machining stamping parts.

Background

The fixture is also called a fixture, and in a broad sense, in any process in the process, a device for quickly, conveniently and safely installing a workpiece is called as a fixture, the positioning fixture is an indispensable part for machining, and in the machining process of a stamping part, the positioning fixture is often used for clamping and fixing the stamping part.

The existing positioning clamp is lack of positioning the stamping part in the using process, so that the clamp is easy to deviate in the clamping process, the clamping effect is poor, the positioning distance cannot be adjusted, the clamping height cannot be adjusted, and when the stamping part is high, the phenomenon of unstable fixation exists.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects, the application provides a positioning fixture for processing stamping parts, which aims to improve the problem that the positioning fixture cannot position the stamping parts to cause the clamping in-process to easily generate deviation, reduce the clamping effect, cannot adjust the clamping height and has the phenomenon of instability.

The embodiment of the application provides a stamping workpiece processing positioning fixture, which comprises a positioning assembly, a first clamping assembly and a second clamping assembly.

The locating component comprises a support frame, a threaded sleeve, a threaded rod, a rotary hand wheel, a connecting plate and a buffering locating plate, wherein the threaded sleeve is fixed at one end of the top of the support frame, the threaded rod is in threaded connection between the threaded sleeves, the rotary hand wheel is fixed at one end of the threaded rod, the connecting plate is connected in a rotating mode at the other end of the threaded rod, and the buffering locating plate is fixedly connected at one side of the connecting plate.

First centre gripping subassembly includes motor, first screw rod, second screw rod, adapter sleeve and regulation splint, the motor is fixed one side of support frame, first screw rod with the second screw rod sets up the top of support frame, first screw rod with fixed connection between the second screw rod, the one end of first screw rod with the output of motor is connected, the one end of second screw rod with the top of support frame is rotated and is connected, the adapter sleeve screw thread cup joints first screw rod with on the second screw rod, regulation splint with the one end of adapter sleeve is articulated.

The second centre gripping subassembly includes backup pad, regulation pole, electric putter, backing plate, cylinder and buffering splint, the backup pad with the support frame is connected, it connects to adjust the pole one side of backup pad, electric putter fixes one side of adjusting the pole, electric putter's output with adjust pole sliding connection, the backing plate is fixed the top of adjusting the pole, the cylinder is fixed on the backing plate, buffering splint with the output of cylinder is connected.

In the implementation process, the starting motor drives the first screw rod and the second screw rod to rotate, the connecting sleeves are favorable to moving relative to the first screw rod and the second screw rod, the connecting sleeves are mutually close to or far away from each other, the position of the buffering positioning plate is adjusted, and the stamping part is positioned and clamped through mutual clamping between the buffering positioning plate and the adjusting clamping plate. Drive the regulation pole through starting electric putter and remove, be favorable to adjusting the position height of backing plate and cylinder, thereby make can fix the stamping workpiece of co-altitude not between the buffering splint, through buffering splint, the fixed effect to the stamping workpiece has further been improved to the mutually supporting between buffering locating plate and the regulation splint, it removes to drive connecting plate and buffering locating plate through rotating rotatory hand wheel, be favorable to adjusting the position of buffering locating plate, be favorable to fixing a position to the stamping workpiece, the skew of stamping workpiece has been reduced, the effect to the centre gripping of stamping workpiece has been improved, be favorable to carrying out the centre gripping to the stamping workpiece of co-altitude not.

In a particular embodiment, the support frame includes support legs and a fixed plate connected above the support legs.

In the implementation process, the supporting legs are arranged to be beneficial to supporting the fixing plate, and the fixing plate is arranged to be convenient for placing the stamping part.

In a specific embodiment, a sliding groove is formed in the fixing plate, a sliding block is connected to the lower portion of the connecting plate, and the sliding block is slidably connected in the sliding groove.

In the implementation process, the sliding block is connected in the sliding groove in a sliding mode, so that the connecting plate is connected with the fixing plate in a sliding mode, and the moving effect of the connecting plate is improved.

In a specific embodiment, the buffering locating plate includes connecting rod, first spring, sliding sleeve and locating plate, the connecting rod is connected one side of connecting plate, first spring winding is in on the connecting rod, sliding sleeve sliding connection be in the one end of connecting rod, the locating plate with sliding sleeve fixed connection.

In the implementation process, the sliding connection between the sliding sleeve and the connecting rod and the arrangement of the first spring are favorable for buffering the positioning plate, and the positioning plate positions the position of the stamping part.

In a specific embodiment, the first screw and the second screw have opposite screw threads, and the screw threads of the first screw and the second screw have the same pitch.

In the implementation process, the connecting sleeve is favorable to moving relative to the first screw rod and the second screw rod when the starting motor drives the first screw rod and the second screw rod to rotate.

In a specific embodiment, a connecting seat is connected above the fixing plate, and one end of the second screw rod is rotatably connected with the connecting seat.

In the implementation process, the connecting seat is arranged to be favorable for connecting one end of the second screw rod, and the rotation effect of the second screw rod is favorably improved.

In a specific embodiment, a support rod is connected above the fixing plate, and the support rod is connected with the connecting sleeve in a sliding manner.

In the implementation process, the supporting rods are arranged to support the connecting sleeves, and the stability of movement of the adjusting clamping plates is improved.

In a specific embodiment, the adjusting clamp plate comprises a moving rod and a first clamp plate, one end of the moving rod is hinged with the connecting sleeve, and the first clamp plate is hinged with the other end of the moving rod.

In the implementation process, the movable rod is driven to move through the movement of the connecting sleeve, the movable rod is close to or far away from each other, and the position of the first clamping plate is adjusted.

In a specific embodiment, the adjusting rod comprises a first rod body and a second rod body, the second rod body is slidably connected above the first rod body, and the output end of the electric push rod is slidably connected with the second rod body.

In the implementation process, the electric push rod drives the second rod body to move, so that the position height of the base plate and the position height of the air cylinder are adjusted, and the buffer clamping plate can fix stamping parts with different heights.

In a specific embodiment, the buffer clamping plate comprises a plate body, a second spring and a second clamping plate, wherein the plate body is connected with the output end of the air cylinder, the second spring is connected to one side of the plate body, and the second clamping plate is connected with the second spring.

In the implementation process, the stamping part is fixed through the mutual clamping of the second clamping plates, and the second spring is arranged to reduce the damage to the stamping part caused by the second clamping plates.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural view of a positioning fixture for machining a stamping part, which is provided by the embodiment of the application;

FIG. 2 is a schematic structural diagram of a positioning assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a first clamping assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of an adjusting clamp connection structure provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a second clamping assembly according to an embodiment of the present disclosure.

In the figure: 100-a positioning assembly; 110-a support frame; 112-support legs; 114-a fixed plate; 120-thread bush; 130-a threaded rod; 140-rotating the hand wheel; 150-a connecting plate; 152-a chute; 154-a slide block; 160-buffer positioning plate; 162-a connecting rod; 164-a first spring; 166-a sliding sleeve; 168-positioning plate; 200-a first clamping assembly; 210-a motor; 220-a first screw; 230-a second screw; 240-a connecting seat; 250-connecting sleeves; 260-support rods; 270-adjusting the splint; 272-a travel bar; 274-a first clamping plate; 300-a second clamping assembly; 310-a support plate; 320-adjusting rod; 322-a first stick; 324-a second stick body; 330-electric push rod; 340-a backing plate; 350-cylinder; 360-buffer clamping plate; 362-a plate body; 364-a second spring; 366-a second splint.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, the present application provides a technical solution: a positioning fixture for stamping workpiece machining comprises a positioning assembly 100, a first clamping assembly 200 and a second clamping assembly 300.

Referring to fig. 1-5, the positioning assembly 100 includes a support frame 110, a threaded sleeve 120, a threaded rod 130, a rotating handwheel 140, a connecting plate 150, and a buffering positioning plate 160, wherein the support frame 110 includes support legs 112 and a fixing plate 114, and the fixing plate 114 is connected above the support legs 112. The support legs 112 are provided to facilitate support of the retaining plate 114, and the retaining plate 114 facilitates placement of the stamping. The threaded sleeve 120 is fixed at one end above the support frame 110, the threaded rod 130 is in threaded connection with the threaded sleeve 120, the rotating hand wheel 140 is fixed at one end of the threaded rod 130, the connecting plate 150 is rotatably connected at the other end of the threaded rod 130, a sliding groove 152 is formed in the fixing plate 114, a sliding block 154 is connected below the connecting plate 150, and the sliding block 154 is slidably connected in the sliding groove 152. The sliding block 154 is slidably connected in the sliding groove 152, so that the connecting plate 150 is slidably connected with the fixing plate 114, which is beneficial to improving the moving effect of the connecting plate 150. The buffering positioning plate 160 is fixedly connected to one side of the connecting plate 150, the buffering positioning plate 160 includes a connecting rod 162, a first spring 164, a sliding sleeve 166 and a positioning plate 168, the connecting rod 162 is connected to one side of the connecting plate 150, the first spring 164 is wound around the connecting rod 162, the sliding sleeve 166 is slidably connected to one end of the connecting rod 162, and the positioning plate 168 is fixedly connected to the sliding sleeve 166. The sliding connection between the sliding sleeve 166 and the connecting rod 162 and the provision of the first spring 164 facilitate cushioning of the positioning plate 168, which positioning plate 168 positions the punch.

Referring to fig. 1 to 5, the first clamping assembly 200 includes a motor 210, a first screw 220, a second screw 230, a connecting sleeve 250 and an adjusting clamp 270, the motor 210 is fixed on one side of the supporting frame 110, the first screw 220 and the second screw 230 are disposed above the supporting frame 110, the first screw 220 and the second screw 230 are fixedly connected, one end of the first screw 220 is connected with an output end of the motor 210, one end of the second screw 230 is rotatably connected with an upper portion of the supporting frame 110, the thread directions of the first screw 220 and the second screw 230 are opposite, and the thread pitches of the first screw 220 and the second screw 230 are the same. By such an arrangement, when the starting motor 210 drives the first screw 220 and the second screw 230 to rotate, the connecting sleeve 250 can move relative to the first screw 220 and the second screw 230. A connecting seat 240 is connected to the upper portion of the fixing plate 114, and one end of the second screw 230 is rotatably connected to the connecting seat 240. The connecting seat 240 is advantageous for connecting one end of the second screw 230, which is advantageous for improving the rotation effect of the second screw 230. The connecting sleeve 250 is sleeved on the first screw 220 and the second screw 230 in a threaded manner, and the adjusting clamp plate 270 is hinged with one end of the connecting sleeve 250. A support rod 260 is connected to the upper portion of the fixing plate 114, and the support rod 260 is slidably connected to the connection sleeve 250. The support rod 260 is beneficial to providing support for the connecting sleeve 250 and improving the moving stability of the adjusting clamp plate 270. The adjustment clamp 270 includes a moving rod 272, one end of which is hinged to the connection sleeve 250, and a first clamp 274, which is hinged to the other end of the moving rod 272. The movable rods 272 are driven to move by the movement of the connecting sleeve 250, and the position of the first clamping plate 274 is adjusted by the movement of the movable rods 272 approaching or departing from each other.

Referring to fig. 1 to 5, the second clamping assembly 300 includes a supporting plate 310, an adjusting rod 320, an electric push rod 330, a backing plate 340, an air cylinder 350, and a buffer clamp plate 360, the supporting plate 310 is connected to the supporting frame 110, the adjusting rod 320 is connected to one side of the supporting plate 310, the electric push rod 330 is fixed to one side of the adjusting rod 320, an output end of the electric push rod 330 is slidably connected to the adjusting rod 320, the backing plate 340 is fixed to a top end of the adjusting rod 320, the air cylinder 350 is fixed to the backing plate 340, and the buffer clamp plate 360 is connected to an output end of the air cylinder 350. The adjusting lever 320 includes a first lever 322 and a second lever 324, the second lever 324 is slidably connected above the first lever 322, and an output end of the electric push rod 330 is slidably connected with the second lever 324. The electric push rod 330 drives the second rod body 324 to move, so that the position heights of the base plate 340 and the air cylinder 350 can be adjusted, and the buffer clamping plate 360 can fix stamping parts with different heights. The damping clamp 360 includes a plate 362, a second spring 364, and a second clamp 366, the plate 362 is connected to an output end of the cylinder 350, the second spring 364 is connected to one side of the plate 362, and the second clamp 366 is connected to the second spring 364. The provision of the second spring 364 can reduce damage to the press by the second jaw 366 by clamping the press by the second jaw 366 to each other.

This stamping workpiece processing is with positioning fixture's theory of operation: during the use, put the stamping workpiece on fixed plate 114 for the stamping workpiece contacts with buffering locating plate 160, drive first screw 220 and second screw 230 through starter motor 210 and rotate, be favorable to adapter sleeve 250 to remove for first screw 220 and second screw 230, adapter sleeve 250 drives the carriage release lever 272 and removes, be close to each other or keep away from through carriage release lever 272, realize adjusting the position of first splint 274, realize fixing a position the centre gripping through the mutual centre gripping between first splint 274 and the locating plate 168 to the stamping workpiece. Drive the second body of rod 324 through starting electric putter 330 and remove, be favorable to adjusting the position height of backing plate 340 and cylinder 350, thereby make and to fix the stamping workpiece of co-altitude not between the buffering splint 360, through buffering splint 360, buffering locating plate 160 and the fixed effect to the stamping workpiece has further been improved to the mutually supporting between the regulation splint 270, drive connecting plate 150 and buffering locating plate 160 through rotating rotatory hand wheel 140 and remove, be favorable to adjusting the position of buffering locating plate 160, through slider 154 sliding connection in spout 152, make sliding connection between connecting plate 150 and the fixed plate 114, be favorable to improving the removal effect of connecting plate 150. The problem of positioning fixture can not fix a position the in-process that leads to the centre gripping and take place the skew easily to the punching press piece has been improved, has reduced the effect of centre gripping, can not adjust the height of centre gripping, has fixed unstable phenomenon.

It should be noted that the specific model specifications of the motor 210, the electric push rod 330 and the air cylinder 350 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply and the principle of the motor 210, the electric push rod 330 and the air cylinder 350 are apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A positioning fixture for processing stamping parts is characterized by comprising

The positioning assembly (100) comprises a support frame (110), a threaded sleeve (120), a threaded rod (130), a rotary hand wheel (140), a connecting plate (150) and a buffering positioning plate (160), wherein the threaded sleeve (120) is fixed at one end above the support frame (110), the threaded rod (130) is in threaded connection with the threaded sleeve (120), the rotary hand wheel (140) is fixed at one end of the threaded rod (130), the connecting plate (150) is rotatably connected to the other end of the threaded rod (130), and the buffering positioning plate (160) is fixedly connected to one side of the connecting plate (150);

a first clamping assembly (200), wherein the first clamping assembly (200) comprises a motor (210), a first screw (220), a second screw (230), a connecting sleeve (250) and an adjusting clamp plate (270), the motor (210) is fixed on one side of the support frame (110), the first screw (220) and the second screw (230) are arranged above the support frame (110), the first screw rod (220) and the second screw rod (230) are fixedly connected, one end of the first screw rod (220) is connected with the output end of the motor (210), one end of the second screw rod (230) is rotatably connected with the upper part of the support frame (110), the connecting sleeve (250) is sleeved on the first screw rod (220) and the second screw rod (230) in a threaded manner, the adjusting clamp plate (270) is hinged with one end of the connecting sleeve (250);

second centre gripping subassembly (300), second centre gripping subassembly (300) include backup pad (310), regulation pole (320), electric putter (330), backing plate (340), cylinder (350) and buffering splint (360), backup pad (310) with support frame (110) are connected, it connects to adjust pole (320) one side of backup pad (310), electric putter (330) are fixed one side of adjusting pole (320), the output of electric putter (330) with adjust pole (320) sliding connection, backing plate (340) are fixed the top of adjusting pole (320), cylinder (350) are fixed on backing plate (340), buffering splint (360) with the output of cylinder (350) is connected.

2. The positioning fixture for stamping workpiece machining according to claim 1, characterized in that the support frame (110) comprises support legs (112) and a fixing plate (114), and the fixing plate (114) is connected above the support legs (112).

3. The positioning fixture for stamping part machining according to claim 2, wherein a sliding groove (152) is formed in the fixing plate (114), a sliding block (154) is connected below the connecting plate (150), and the sliding block (154) is slidably connected in the sliding groove (152).

4. The positioning fixture for stamping workpiece machining according to claim 1, wherein the buffering positioning plate (160) comprises a connecting rod (162), a first spring (164), a sliding sleeve (166) and a positioning plate (168), the connecting rod (162) is connected to one side of the connecting plate (150), the first spring (164) is wound on the connecting rod (162), the sliding sleeve (166) is slidably connected to one end of the connecting rod (162), and the positioning plate (168) is fixedly connected with the sliding sleeve (166).

5. The positioning fixture for processing stamping parts according to claim 1, wherein the first screw (220) and the second screw (230) have opposite thread directions, and the thread pitch of the first screw (220) and the second screw (230) is the same.

6. The positioning fixture for processing stamping parts as claimed in claim 2, wherein a connecting seat (240) is connected above the fixing plate (114), and one end of the second screw rod (230) is rotatably connected with the connecting seat (240).

7. The positioning fixture for stamping part machining according to claim 2, wherein a support rod (260) is connected above the fixing plate (114), and the support rod (260) is slidably connected with the connecting sleeve (250).

8. The positioning clamp for stamping part machining according to claim 1, characterized in that the adjusting clamp plate (270) comprises a moving rod (272) and a first clamp plate (274), one end of the moving rod (272) is hinged with the connecting sleeve (250), and the first clamp plate (274) is hinged with the other end of the moving rod (272).

9. The positioning fixture for stamping workpiece machining according to claim 1, wherein the adjusting rod (320) comprises a first rod body (322) and a second rod body (324), the second rod body (324) is slidably connected above the first rod body (322), and the output end of the electric push rod (330) is slidably connected with the second rod body (324).

10. A stamping workpiece positioning jig according to claim 1, characterized in that the buffer clamp plate (360) comprises a plate body (362), a second spring (364) and a second clamp plate (366), the plate body (362) is connected with the output end of the cylinder (350), the second spring (364) is connected with one side of the plate body (362), and the second clamp plate (366) is connected with the second spring (364).