CN219325171U

CN219325171U - Adjustable-distance four-axis fixing device and machining equipment

Info

Publication number: CN219325171U
Application number: CN202320832425.3U
Authority: CN
Inventors: 秦士猛; 施翔; 师金诚; 彭益; 曹俊彬
Original assignee: Luxcase Precision Technology Yancheng Co Ltd
Current assignee: Luxcase Precision Technology Yancheng Co Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-11
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a distance-adjustable four-axis fixing device and processing equipment, which comprises a substrate, wherein a fixing shoulder and an adjusting shoulder are oppositely arranged on the substrate, the adjusting shoulder is in translational driving connection through an adjusting mechanism, a rotary jig plate is oppositely arranged on the fixing shoulder and the adjusting shoulder, fixing components are arranged on the rotary jig plate, at least two groups of rotary positioning components are symmetrically arranged on the fixing shoulder and the adjusting shoulder, and the two groups of rotary positioning components are symmetrically arranged on two sides of the rotary center of the rotary jig plate to form clamping positioning. The bridge plate is lifted through the frame body structure, the length of the material carrying station is manually adjusted through the screw rod structure, the steering angle is regulated and controlled through the elastic locking structure, and the positioning is performed, so that the labor intensity of operators is reduced, the assembly efficiency is improved, and the positioning accuracy is optimized. The symmetrical four-point bearing locking structure is adopted, so that the bearing stress of the bridge plate is effectively balanced, stress concentration is avoided, the stability of bearing positioning is improved, accurate installation and operation are facilitated, the durability is high, and the input cost of the jig is reduced.

Description

Adjustable-distance four-axis fixing device and machining equipment

Technical Field

The utility model belongs to the technical field of machinery, and relates to a bridge plate fixing jig, in particular to a distance-adjustable four-axis fixing device and processing equipment.

Background

The bridge plate is a metal plate with two bearing surfaces. The distance between the center lines of the bearing surfaces at the two ends of the bridge plate is called a span, and the span is determined according to the length of the measured surface and the precision requirement. Bridge plates are important tools embodying the principle of pitch method measurement. The bridge plate needs to be positioned and shifted when being machined or installed, the existing operation adopts manual work to move or rotate the bridge plate, so that time and labor are wasted, machining cost is increased, accurate positioning of the bridge plate is difficult, and machining and installation effects are affected.

To solve the above technical problems, for example, chinese patent literature discloses a test fixture for producing a liquid crystal display (chinese patent No.: 202123148266.5 the utility model discloses a test fixture for liquid crystal display production, which comprises a base, wherein two upright posts which are oppositely arranged are arranged on the base; a mounting frame for fixing the liquid crystal display screen is arranged between the two upright posts, the mounting frame is rotatably arranged on the upright posts through a horizontal rotating shaft, and a rotating mechanism for adjusting the rotating angle of the mounting frame is arranged on the upright posts; the mounting frame comprises a rectangular frame and a supporting bottom plate arranged in the rectangular frame; the fixing mechanism comprises a fixing plate arranged on the outer side of the rectangular frame, a guide pillar arranged on the fixing plate and a pressing plate sleeved on the guide pillar, wherein a first spring used for driving the pressing plate to be close to the supporting bottom plate is arranged on the guide pillar, and a pressing block used for pressing the liquid crystal display screen on the supporting bottom plate is arranged on the bottom plate at one end of the pressing plate; the pressing block is positioned in the rectangular frame or outside the rectangular frame by rotating the pressing plate.

According to the technical scheme, the rotary positioning of the material plate is performed by only adopting single-side single-point rotation, so that the positioning bearing capacity of one rotary point of the single side is overlarge, stress fatigue is easy to generate after long-time work, and the positioning is unstable. In addition, the locking and fixing are formed through tooth meshing, the teeth are worn after long-time work, the locking force is reduced, and meanwhile, the accuracy of the positioning angle is reduced.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a distance-adjustable four-axis fixing device and processing equipment, which are combined with circumferential clamping positions by utilizing elastic locking positions and adopting symmetrical four-point support to improve steering positioning stability and durability.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a but four shaft fixing device of roll adjustment, includes the base plate, set up fixed shoulder and regulation shoulder relatively on the base plate, the regulation shoulder passes through adjustment mechanism translation drive and connects, fixed shoulder with the regulation shoulder sets up rotatory tool board relatively, set up fixed subassembly on the rotatory tool board, fixed shoulder with the regulation shoulder is the symmetry and sets up two at least groups of rotatory locating component, two groups rotatory locating component is the symmetry arrange in rotatory center of rotation both sides of tool board form the joint location.

In the distance-adjustable four-axis fixing device, the rotary positioning assembly comprises a guide sleeve fixedly arranged on the fixed shoulder/the adjusting shoulder, the guide sleeve is internally provided with a guide sliding shaft in a sliding and penetrating manner, the inner end of the guide sliding shaft penetrates through the fixed shoulder/the adjusting shoulder and is convexly provided with a limiting pin, the outer end of the guide sliding shaft penetrates out of the guide sleeve fixing sleeve handle, the periphery of the guide sliding shaft is provided with a sliding sleeve spring, and the spring is clamped between the guide sleeve and the limiting pin.

In the distance-adjustable four-axis fixing device, the inner wall of the guide sleeve is provided with the positioning groove in an axial concave mode, the outer wall of the guide sliding shaft is provided with the positioning strip in an axial convex mode, and the positioning strip is inserted into the positioning groove to form sliding connection.

In the distance-adjustable four-axis fixing device, the fixing shoulder/the adjusting shoulder is provided with the guide sliding hole, the guide sleeve is fixedly arranged on the outer wall of the guide sliding hole through a screw and communicated with the guide sliding hole, and the spring is arranged in the guide sliding hole.

In the distance-adjustable four-axis fixing device, the outline diameter of the handle is larger than the inner diameter of the guide sleeve, and concave-convex knurling is arranged on the outer wall surface of the handle.

In the distance-adjustable four-axis fixing device, the adjusting mechanism comprises a bearing seat fixedly arranged on the substrate, the bearing seat is rotatably connected with a screw rod in a penetrating way, the outer end of the screw rod is fixedly connected with a hand wheel through a locking nut, the inner end of the screw rod is connected with the adjusting shoulder in a penetrating way to form threaded engagement connection, a guide rail is fixedly arranged on the substrate, a sliding block is fixedly arranged at the bottom of the adjusting shoulder, and the sliding block is connected with the guide rail in a clamping way to form guide and sliding connection.

In the distance-adjustable four-shaft fixing device, a first deep groove ball bearing is arranged in the bearing seat, the first deep groove ball bearing is sleeved with the lead screw to form steering sliding connection, the lead screw is sleeved with a first spacer sleeve on two sides of the first deep groove ball bearing, and a bearing cover is arranged on the outer side of the first spacer sleeve in a covering mode.

In the distance-adjustable four-shaft fixing device, the fixing shoulder/the adjusting shoulder is internally provided with the bearing assembly, the bearing assembly comprises a bearing sleeve, a second deep groove ball bearing is arranged in the bearing sleeve, two sides of the second deep groove ball bearing are attached to a second spacer sleeve, the second deep groove ball bearing and the second spacer sleeve are rotatably connected with a mandrel in a penetrating manner, and the outer end of the mandrel is fixedly connected with the rotating jig plate.

In the distance-adjustable four-axis fixing device, the fixing assembly comprises at least one stud erected on the rotary jig plate, and the stud is sleeved with an assembly nut to form threaded engagement connection.

A processing device comprises the adjustable-distance four-axis fixing device.

Compared with the prior art, the adjustable-distance four-axis fixing device and the processing equipment have the following beneficial effects:

1. the bridge plate is lifted through the frame body structure, the length of the material carrying station is manually adjusted through the screw rod structure, the steering angle is regulated and controlled through the elastic locking structure, and the positioning is performed, so that the labor intensity of operators is reduced, the assembly efficiency is improved, and the positioning accuracy is optimized.

2. The symmetrical four-point bearing locking structure is adopted, so that the bearing stress of the bridge plate is effectively balanced, stress concentration is avoided, the stability of bearing positioning is improved, accurate installation and operation are facilitated, the durability is high, and the input cost of the jig is reduced.

3. The device is convenient for batch assembly operation, improves the production efficiency, is easy to popularize and apply, and has good market prospect.

Drawings

Fig. 1 is a no-load structure diagram of the adjustable four-axis fixing device.

Fig. 2 is a perspective view of a rotational positioning assembly in the adjustable four-axis fixing device.

Fig. 3 is a loading structure diagram of the distance-adjustable four-axis fixing device.

In the figure, 1, a substrate; 2. a fixed shoulder; 3. adjusting the shoulder; 4. a bearing seat; 5. a screw rod; 6. a hand wheel; 7. a guide rail; 8. a guide sleeve; 9. a slide guiding shaft; 10. a limiting pin; 11. a handle; 12. a positioning strip; 13. a bearing sleeve; 14. a mandrel; 15. rotating the jig plate; 16. a stud; 17. and (5) assembling a nut.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1 to 3, the distance-adjustable four-axis fixing device comprises a substrate 1, wherein a fixing shoulder 2 and an adjusting shoulder 3 are oppositely arranged on the substrate 1, the adjusting shoulder 3 is in translational driving connection through an adjusting mechanism, the fixing shoulder 2 and the adjusting shoulder 3 are oppositely arranged on a rotary jig plate 15, fixing components are arranged on the rotary jig plate 15, the fixing shoulder 2 and the adjusting shoulder 3 are symmetrically provided with at least two groups of rotary positioning components, and the two groups of rotary positioning components are symmetrically distributed on two sides of the rotation center of the rotary jig plate 15 to form clamping positioning.

The rotary positioning assembly comprises a guide sleeve 8 fixedly arranged on a fixed shoulder 2/an adjusting shoulder 3, a guide sliding shaft 9 is connected in the guide sleeve 8 in a sliding and penetrating manner, a limiting pin 10 is convexly arranged at the inner end of the guide sliding shaft 9 through the fixed shoulder 2/the adjusting shoulder 3, the outer end of the guide sliding shaft 9 penetrates out of a handle 11 fixedly sleeved on the guide sleeve 8, the periphery of the guide sliding shaft 9 is provided with a sliding sleeve spring, and the spring is clamped between the guide sleeve 8 and the limiting pin 10. When the spring is in a free state, the limiting pin 10 is pressed against the limiting pin through elastic force, so that the limiting pin 10 contacts the rotary jig plate 15 to form limiting fixation. The slide shaft 9 is pulled outwards by manual force application, so that the limiting pin 10 compresses the spring and moves outwards, and the limiting pin 10 is separated from the rotary jig plate 15, thereby realizing the rotary adjustment of the rotary jig plate 15.

The inner wall of the guide sleeve 8 is provided with a positioning groove along the axial direction, the outer wall of the guide sliding shaft 9 is provided with a positioning strip 12 along the axial direction in a protruding mode, and the positioning strip 12 is inserted into the positioning groove to form sliding connection. The positioning bar 12 is inserted into the positioning groove when the spring is in a free state to provide a free length space required by the spring. The slide shaft 9 is pulled outwards by manual force application, meanwhile, the positioning strip 12 is pulled out of the positioning groove, and then the slide shaft 9 is rotated, so that the positioning strip 12 cannot enter the positioning groove and is clamped on the end face of the guide sleeve 8, the slide shaft 9 is released manually, the spring still cannot extend freely by clamping, and the outward movement fixation of the limiting pin 10 is realized.

The fixed shoulder 2/the adjusting shoulder 3 is provided with a guide sliding hole, the guide sleeve 8 is fixedly arranged on the outer wall of the guide sliding hole through a screw and communicated with the guide sliding hole, and the spring is arranged in the guide sliding hole. The assembly space is provided for the spring through the sliding guide hole, and the function of guiding and supporting is achieved, so that the spring can be prevented from being exposed, and the problem of spring deformation caused by continuous compression can be prevented.

The outline diameter of the handle 11 is larger than the inner diameter of the guide sleeve 8, and the outer wall surface of the handle 11 is provided with concave-convex knurling. The outer diameter of the guide sliding shaft 9 is increased through the handle 11, so that the guide sliding shaft 9 is prevented from excessively extending into the guide sleeve 8 to form falling off. The friction coefficient of the outer wall of the handle 11 is increased by utilizing the concave-convex knurling, so that the slipping caused by manual operation is avoided, and the effectiveness of the sliding and rotating actions of the sliding guide shaft 9 is ensured.

The adjusting mechanism comprises a bearing seat 4 fixedly arranged on the base plate 1, the bearing seat 4 is rotationally connected with a screw rod 5 in a penetrating way, the outer end of the screw rod 5 is fixedly connected with a hand wheel 6 through a locking nut, the inner end of the screw rod 5 is connected with an adjusting shoulder 3 in a penetrating way to form threaded engagement connection, a guide rail 7 is fixedly arranged on the base plate 1, the bottom of the adjusting shoulder 3 is fixedly provided with a sliding block, and the sliding block is clamped on the guide rail 7 to form guide sliding connection. The guide rails 7 are arranged in parallel, and the guide rails 7 are fixedly arranged in an extending mode along the distance direction between the fixed shoulder 2 and the adjusting shoulder 3. The hand wheel 6 is manually rotated to drive the screw rod 5 to synchronously rotate, and the adjusting shoulder 3 is driven to slide back and forth along the guide rail 7 by utilizing a threaded engagement transmission mode, so that the distance between the fixed shoulder 2 and the adjusting shoulder 3 is adjusted and controlled.

The bearing seat 4 is internally provided with a first deep groove ball bearing, the first deep groove ball bearing is sleeved with a lead screw 5 to form steering sliding connection, the lead screw 5 is sleeved with a first spacer sleeve on two sides of the first deep groove ball bearing, and the outer side of the first spacer sleeve is covered with a bearing cover.

The bearing assembly is arranged in the fixing shoulder 2/the adjusting shoulder 3, the bearing assembly comprises a bearing sleeve 13, a second deep groove ball bearing is arranged in the bearing sleeve 13, two sides of the second deep groove ball bearing are attached to a second spacer sleeve, the second deep groove ball bearing and the second spacer sleeve are rotatably connected with a mandrel 14 in a penetrating mode, and the outer end of the mandrel 14 is fixedly connected with a rotary jig plate 15. The rotary jig plates 15 are arranged on the fixed shoulder 2/the adjusting shoulder 3 through bearing assemblies, so that the rotary jig plates 15 on two sides are spliced to form a carrier structure for supporting the whole bridge plate. Simultaneously, the rotating jig plates 15 on the two sides can drive the bridge plate to rotate at a free angle.

The fixing assembly comprises at least one stud 16 erected on the rotary jig plate 15, and the stud 16 is sleeved with an assembly nut 17 to form threaded engagement connection. The bridge plate is provided with assembly holes, the bridge plate is placed on the two rotary jig plates 15, and after the studs 16 are correspondingly penetrated into the assembly holes on the bridge plate, the assembly nuts 17 are sleeved and screwed to fix the bridge plate.

The using process of the adjustable-distance four-axis fixing device is as follows:

1. according to the length of the bridge plate, the hand wheel 6 is manually rotated to drive the screw rod 5 to synchronously rotate, and the adjusting shoulder 3 is driven to reciprocally slide along the guide rail 7 by utilizing a threaded engagement transmission mode to adjust and control the distance between the fixed shoulder 2 and the adjusting shoulder 3.

2. The bridge plate is placed on the two rotary jig plates 15, and after the studs 16 are correspondingly penetrated into the assembly holes on the bridge plate, the assembly nuts 17 are sleeved and screwed to fix the bridge plate.

3. When the angle of the bridge plate needs to be adjusted, the outer pull guide sliding shaft 9 is manually forced, the positioning strip 12 is pulled out of the positioning groove, then the guide sliding shaft 9 is rotated, the positioning strip 12 cannot enter the positioning groove and is clamped on the end face of the guide sleeve 8, the limiting pin 10 compresses the spring and moves outwards, the limiting pin 10 is separated from the rotary jig plate 15, and then the rotary jig plate 15 is rotated and adjusted.

4. After the rotary jig plate 15 is adjusted in place, the slide guide shaft 9 is manually rotated again, so that the positioning strips 12 enter the positioning grooves again, the springs restore to the free length, the limiting pins 10 are pressed against the limiting pins 10 through elastic force, and the limiting pins 10 are contacted with the rotary jig plate 15 again to form limiting fixation.

Compared with the prior art, the adjustable-distance four-axis fixing device has the following beneficial effects:

1. the bridge plate is lifted through the frame body structure, the length of the material carrying station is manually adjusted through the screw rod 5 structure, the steering angle is adjusted and controlled through the elastic locking structure, and the positioning is performed, so that the labor intensity of operators is reduced, the assembly efficiency is improved, and the positioning accuracy is optimized.

Example two

Based on the first embodiment, the difference of this embodiment is:

a processing device comprises the adjustable-distance four-axis fixing device.

Compared with the prior art, the processing equipment has the following beneficial effects:

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the substrate 1 is used more herein; a fixed shoulder 2; adjusting the shoulder 3; a bearing seat 4; a screw 5; a hand wheel 6; a guide rail 7; a guide sleeve 8; a slide guiding shaft 9; a stopper pin 10; a handle 11; a positioning strip 12; a bearing housing 13; a mandrel 14; rotating the jig plate 15; a stud 16; the terms nut 17 are assembled, but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a but four-axis fixing device of roll adjustment, includes the base plate, its characterized in that, set up fixed shoulder and regulation shoulder relatively on the base plate, the regulation shoulder passes through adjustment mechanism translation drive and connects, fixed shoulder with the regulation shoulder sets up rotatory tool board relatively, set up fixed subassembly on the rotatory tool board, fixed shoulder with the regulation shoulder is the symmetry and sets up two at least groups rotation positioning assembly, two groups rotation positioning assembly is the symmetry and arranges in rotation center both sides formation joint location of rotatory tool board.

2. The adjustable four-axis fixing device according to claim 1, wherein the rotary positioning assembly comprises a guide sleeve fixedly arranged on the fixing shoulder/the adjusting shoulder, a guide sliding shaft is slidably connected in the guide sleeve in a penetrating manner, the inner end of the guide sliding shaft penetrates through the fixing shoulder/the adjusting shoulder to be convexly provided with a limiting pin, the outer end of the guide sliding shaft penetrates out of a guide sleeve fixing sleeve handle, the periphery of the guide sliding shaft is slidably sleeved with a spring, and the spring is clamped between the guide sleeve and the limiting pin.

3. The adjustable four-axis fixing device according to claim 2, wherein the inner wall of the guide sleeve is provided with a positioning groove along the axial direction in a concave manner, the outer wall of the guide sliding shaft is provided with a positioning strip along the axial direction in a convex manner, and the positioning strip is inserted into the positioning groove to form sliding connection.

4. The distance-adjustable four-axis fixing device according to claim 2, wherein a guide sliding hole is formed in the fixing shoulder/the adjusting shoulder, the guide sleeve is fixedly arranged on the outer wall of the guide sliding hole through a screw and communicated with the guide sliding hole, and the spring is arranged in the guide sliding hole.

5. The adjustable distance four-axis fixing device according to claim 2, wherein the outline diameter of the handle is larger than the inner diameter of the guide sleeve, and concave-convex knurling is arranged on the outer wall surface of the handle.

6. The distance-adjustable four-axis fixing device according to claim 1, wherein the adjusting mechanism comprises a bearing seat fixedly arranged on the base plate, the bearing seat is rotatably connected with a screw rod in a penetrating way, the outer end of the screw rod is fixedly connected with a hand wheel through a locking nut, the inner end of the screw rod is connected with the adjusting shoulder in a penetrating way to form a threaded engagement connection, a guide rail is fixedly arranged on the base plate, a sliding block is fixedly arranged at the bottom of the adjusting shoulder, and the sliding block is connected with the guide rail in a clamping way to form a sliding guide connection.

7. The adjustable distance four-axis fixing device according to claim 6, wherein a first deep groove ball bearing is arranged in the bearing seat, the first deep groove ball bearing is sleeved with the lead screw to form steering sliding connection, the lead screw is sleeved with a first spacer sleeve on two sides of the first deep groove ball bearing, and a bearing cover is covered on the outer side of the first spacer sleeve.

8. The distance-adjustable four-axis fixing device according to claim 1, wherein a bearing assembly is arranged in the fixing shoulder/the adjusting shoulder, the bearing assembly comprises a bearing sleeve, a second deep groove ball bearing is arranged in the bearing sleeve, two sides of the second deep groove ball bearing are attached to a second spacer sleeve, the second deep groove ball bearing and the second spacer sleeve are rotatably connected with a mandrel in a penetrating mode, and the outer end of the mandrel is fixedly connected with the rotating jig plate.

9. The adjustable four-axis fixing device according to claim 1, wherein the fixing assembly comprises at least one stud erected on the rotary jig plate, and the stud is sleeved with a fitting nut to form a threaded engagement connection.

10. A machining apparatus comprising an adjustable pitch four-axis fixture as claimed in any one of claims 1 to 9.