CN214518900U

CN214518900U - Workpiece clamping and positioning device

Info

Publication number: CN214518900U
Application number: CN202023340132.9U
Authority: CN
Inventors: 钟弟昌; 朱毅
Original assignee: Huizhou Yiya Machinery Co ltd
Current assignee: Huizhou Yiya Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of machining, a work piece clamping positioner is disclosed, including cartridge holder, pull rod, collet chuck, work piece and elastic component, the mounting hole has been seted up to the one end of cartridge holder, and the other end of cartridge holder has seted up the spliced eye, the spliced eye communicates with the mounting hole, the work piece is located the side of mounting hole, the pull rod is located in the spliced eye, the guiding hole has been seted up to the bottom of pull rod, the collet chuck is equipped with two, two collet chuck interval slidable mounting is in the mounting hole, and the top of two collet chucks respectively with the both sides outer wall fixed connection of pull rod bottom, every the clamp splice is all articulated to be installed to the bottom of collet chuck, elastic component is located between two collet chucks. The utility model has the advantages that: the device fixes the workpiece through the movable collet chuck, and automatically discharges the workpiece through the matching of the pin and the spring, so that the problem of automatic discharging of the workpiece is solved, and the cost of the device is reduced.

Description

Workpiece clamping and positioning device

Technical Field

The application relates to the technical field of machining, in particular to a workpiece clamping and positioning device.

Background

Before the workpiece is machined, the workpiece must first occupy a certain correct position in a fixture, which is called positioning, and in order to prevent the positioned workpiece from being displaced by a cutting force and keep the workpiece at the correct position all the time in the machining process, the workpiece needs to be pressed and clamped firmly, which is called clamping. The whole process of positioning and clamping is collectively called clamping.

At present, the existing workpiece positioning structure directly uses a screw for positioning, and the manipulator is required to increase the action of pulling out the workpiece during unloading, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a work piece clamping positioner, including cartridge holder, pull rod, collet chuck, work piece and elastic component, the mounting hole has been seted up to the one end of cartridge holder, and the other end of cartridge holder has seted up the spliced eye, spliced eye and mounting hole intercommunication, the work piece is located the side of mounting hole, the pull rod is located in the spliced eye, the guiding hole has been seted up to the bottom of pull rod, the collet chuck is equipped with two, two collet chuck interval sliding mounting is in the mounting hole, and the top of two collet chucks respectively with the both sides outer wall fixed connection of pull rod bottom, every the clamp splice is all installed in the bottom of collet chuck is articulated, elastic component is located between two collet chucks, elastic component's one end extends to in the guiding hole and rather than the spiro union, and elastic component's the other end extends to outside the mounting hole and inconsistent with the one end of work piece.

Further, elastic component includes sleeve, round pin, spring and end cap, the through-hole has been seted up to telescopic bottom, telescopic top and round hole spiro union, the end cap is installed on telescopic top, the round pin is located telescopic bottom, and round pin slidable mounting is in the through-hole, the one end of round pin runs through the through-hole and extends to mounting hole department and inconsistent with the one end of work piece, the spring is located the through-hole, and the both ends of spring respectively with the other end fixed connection of end cap and round pin.

Furthermore, the outer wall of the pin is sleeved with a limiting block.

Furthermore, one end of the clamping cylinder seat is provided with an inclined block which is attached to the side wall of the clamping block at intervals.

Furthermore, lugs attached to the outer wall of the collet are mounted on the inner walls of the two sides of the collet seat at intervals.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

the clamping cylinder seat is placed at a lathe processing position, the pull rod is driven by external force to rotate left and right in the insertion hole, the pull rod moves in the insertion hole, so that the collet chuck is driven to move forwards or backwards, a workpiece is placed between the two clamping blocks, the workpiece is pushed to be in contact with the pin, the spring and the pin are compressed, the workpiece reaches a set position, the collet chuck is driven to retreat, the clamping blocks are in contact with the inner wall of the mounting hole of the clamping cylinder seat, so that the workpiece is clamped, fixed and processed, after the processing is completed, the pull rod is rotated left to drive the collet chuck to move forwards, so that the clamping blocks are separated from the inner wall of the clamping cylinder seat, the workpiece is loosened, the pin ejects the workpiece under the elastic force of the spring, the workpiece automatically falls to a blanking position, the device fixes the workpiece by moving the collet chuck, and automatically blanks the workpiece are completed by the matching of the pin and the spring, the problem of automatic unloading of work piece is solved to the cost of device has been reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the elastic member of the present invention;

fig. 3 is a cross-sectional view of the pull rod of the present invention;

FIG. 4 is a cross-sectional view of the cartridge holder of the present invention;

fig. 5 is a cross-sectional view of the collet of the present invention.

In the figure: the clamping device comprises a clamping cylinder seat 1, a mounting hole 11, an inserting hole 12, an inclined block 13, a convex block 14, a pull rod 2, a guide hole 21, a clamping cylinder 3, a clamping block 31, a workpiece 4, an elastic component 5, a sleeve 51, a pin 52, a spring 53, a plug 54, a through hole 55 and a limiting block 56.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

In this embodiment, as shown in fig. 1 to 5, a workpiece clamping and positioning device includes a collet holder 1, a pull rod 2, collet chucks 3, a workpiece 4, and an elastic assembly 5, wherein one end of the collet holder 1 is provided with a mounting hole 11, the other end of the collet holder 1 is provided with an insertion hole 12, the insertion hole 12 is communicated with the mounting hole 11, the workpiece 4 is located beside the mounting hole 11, the pull rod 2 is located in the insertion hole 12, the bottom of the pull rod 2 is provided with a guide hole 21, the collet chucks 3 are provided with two collet chucks 3, the two collet chucks 3 are slidably mounted in the mounting hole 11 at intervals, the tops of the two collet chucks 3 are fixedly connected with the outer walls of the two sides of the bottom of the pull rod 2 respectively, the bottom of each collet chuck 3 is hinged with a clamping block 31, the elastic assembly 5 is located between the two collet chucks 3, one end of the elastic assembly 5 extends into the guide hole 21 and is screwed with the clamping block, and the other end of the elastic component 5 extends out of the mounting hole 11 and is abutted against one end of the workpiece 4, the clamping cylinder seat 1 is placed at a lathe processing position, the pull rod 2 is driven by external force to rotate left and right in the insertion hole 12, so that the pull rod 2 moves in the insertion hole 12, the collet chuck 3 is driven to move forwards or backwards, the workpiece 4 is placed between the two clamping blocks 31, then the pull rod 2 is rotated rightwards to drive the collet chuck 3 to move backwards, so that the clamping blocks 31 are abutted against the inner wall of the mounting hole 11 of the clamping cylinder seat 1, the workpiece 4 is clamped and fixed, after the workpiece 4 is processed, the pull rod 2 is rotated leftwards to drive the collet chuck 3 to move forwards, so that the clamping blocks 31 are separated from the inner wall of the clamping cylinder seat 1, and the workpiece 4 is loosened.

Specifically, the elastic assembly 5 includes a sleeve 51, a pin 52, a spring 53 and a plug 54, the bottom of the sleeve 51 is provided with a through hole 55, the top of the sleeve 51 is screwed with the guide hole 21, the plug 54 is installed on the top of the sleeve 51, the pin 52 is located at the bottom of the sleeve 51, the pin 52 is slidably installed in the through hole 55, one end of the pin 52 penetrates through the through hole 55 and extends to the installation hole 11 and abuts against one end of the workpiece 4, the spring 53 is located in the through hole 55, and two ends of the spring 53 are respectively and fixedly connected with the other ends of the plug 54 and the pin 52, when the two clamping blocks 31 do not fix the workpiece 4, the workpiece 4 is pushed to abut against the pin 52, the spring 53 and the pin 52 are compressed to enable the workpiece 4 to reach a set position, then the pull rod 2 is rotated rightward, so that the clamping blocks 31 fix and process the workpiece 4, and after the process is completed, the pull rod 2 is rotated left, so that the clamping block 31 releases the workpiece 4, the pin 52 ejects the workpiece 4 under the action of the elastic force of the spring 53, and the workpiece 4 automatically falls to a blanking position.

Specifically, the outer wall of the pin 52 is sleeved with a limiting block 56, and the pin 52 can be prevented from deviating when sliding in the through hole 55 by the aid of the limiting block 56, so that the practicability of the device is improved.

Specifically, sloping block 13 of laminating mutually with clamp splice 31 lateral wall is installed at the one end interval of cartridge holder 1, through the setting of sloping block 13, can make clamp splice 31 and the better laminating of cartridge holder 1, carries out stable centre gripping to work piece 4.

Specifically, the inner walls of the two sides of the collet holder 1 are provided with the lugs 14 which are attached to the outer wall of the collet 3 at intervals, and the arrangement of the lugs 14 can prevent the collet holder 1 from sliding in the mounting hole 11 to cause the situation of deviation, so that the practicability of the device is further improved.

The embodiment of the application adopts the following technical scheme: the clamping cylinder seat 1 is placed at a lathe machining position, the pull rod 2 is driven by external force to enable the pull rod 2 to rotate left and right in the insertion hole 12, the pull rod 2 is enabled to move in the insertion hole 12, the collet chuck 3 is driven to move forwards or backwards, the workpiece 4 is placed between the two clamping blocks 31, the workpiece 4 is pushed to enable the workpiece 4 to be in contact with the pin 52, the spring 53 and the pin 52 are compressed, the workpiece 4 reaches a set position, the collet chuck 3 is driven to move backwards, the clamping blocks 31 are enabled to be in contact with the inner wall of the mounting hole 11 of the clamping cylinder seat 1, the workpiece 4 is clamped and fixed and machined, after machining is completed, the pull rod 2 is rotated left to drive the collet chuck 3 to move forwards, the clamping blocks 31 are separated from the inner wall of the clamping cylinder seat 1, the workpiece 4 is loosened, the pin 52 ejects the workpiece 4 under the elastic force of the spring 53, and the workpiece 4 automatically falls to the blanking position.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a work piece clamping positioner which characterized in that: the clamping device comprises a clamping cylinder seat (1), a pull rod (2), a clamping cylinder (3), a workpiece (4) and an elastic assembly (5), wherein one end of the clamping cylinder seat (1) is provided with a mounting hole (11), the other end of the clamping cylinder seat (1) is provided with an inserting hole (12), the inserting hole (12) is communicated with the mounting hole (11), the workpiece (4) is positioned beside the mounting hole (11), the pull rod (2) is positioned in the inserting hole (12), the bottom of the pull rod (2) is provided with a guide hole (21), the clamping cylinders (3) are provided with two clamping cylinders (3), the two clamping cylinders (3) are arranged in the mounting hole (11) in a sliding mode at intervals, the tops of the two clamping cylinders (3) are fixedly connected with the outer walls of the two sides of the bottom of the pull rod (2) respectively, the bottom of each clamping cylinder (3) is hinged with a clamping block (31), and the elastic assembly (5) is positioned between the two clamping cylinders (3), one end of the elastic component (5) extends into the guide hole (21) and is in threaded connection with the guide hole, and the other end of the elastic component (5) extends out of the mounting hole (11) and is abutted against one end of the workpiece (4).

2. The workpiece clamping and positioning device according to claim 1, wherein: elastic component (5) includes sleeve (51), round pin (52), spring (53) and end cap (54), through-hole (55) have been seted up to the bottom of sleeve (51), the top and the guiding hole (21) spiro union of sleeve (51), end cap (54) are installed on the top of sleeve (51), round pin (52) are located the bottom of sleeve (51), and round pin (52) slidable mounting is in through-hole (55), the one end of round pin (52) runs through-hole (55) and extends to mounting hole (11) department and inconsistent with the one end of work piece (4), spring (53) are located through-hole (55), and the both ends of spring (53) respectively with the other end fixed connection of end cap (54) and round pin (52).

3. The workpiece clamping and positioning device according to claim 2, wherein: the outer wall of the pin (52) is sleeved with a limiting block (56).

4. The workpiece clamping and positioning device according to claim 1, wherein: one end of the clamping cylinder seat (1) is provided with an inclined block (13) which is attached to the side wall of the clamping block (31) at intervals.

5. The workpiece clamping and positioning device according to claim 4, wherein: the inner walls of the two sides of the collet holder (1) are provided with lugs (14) which are attached to the outer wall of the collet (3) at intervals.