TWI630061B - Hydraulic clamp jig - Google Patents

Abstract

The invention provides a floating clamping fixture for adjusting a positioning workpiece. The processing component has opposite inner side surfaces and two outer side surfaces. The floating clamping fixture comprises: a base; an inner positioning structure The inner positioning structure is provided with two inner positioning portions, the inner positioning structure is coupled with a power source, and the power source drives the two inner positioning portions to respectively support the inner side surfaces; and an outer positioning position. The structure is disposed on the base and is respectively disposed on a side of the inner positioning structure, and the outer positioning structure is provided with an outer pressing portion, the outer positioning structure is coupled with the power source, and the power source is respectively separated from the outer side by the outer positioning structure The distance drives the two outer pressing portions toward the two outer side surfaces and the pressing portion presses against the outer side surfaces, so that the workpiece is sandwiched by the two inner positioning portions and the two outer pressing portions.

Description

Floating clamp

The invention relates to a clamping fixture, in particular to a floating clamping fixture capable of matching the size of a workpiece.

According to the rapid development of electronic technology and multimedia information, electronic devices such as smart phones, tablet computers and ultra-thin notebook computers have become commonplace in all corners of the society. Among them, the popularity of smart phones and Relying on the highest level, therefore, the manufacturing and processing requirements for smart phones are gradually increasing.

Furthermore, in addition to the screen, the general smart phone may be the most frequently touched part of the user. The outer casing is used to provide positioning and fixing of various internal electronic components. Therefore, the inner positioning structure of the various electronic components needs to be on the outer casing. Processing.

When the outer casing is processed, the outer casing needs to be clamped and fixed by the clamping tool, and at the same time, it needs to be positioned with the processing position of the processing machine, and the general clamping tool can be clamped simultaneously with the two sides of the outer casing, or the outer casing One side is fixed and the other side is movable.

However, whether it is clamping at the same time or single side movable clamping, the clamping distance of the clamping tool is generally fixed. Therefore, different sizes of the housing need to use different clamping tools to coordinate with the housing size, in other words, The clamping tool must be designed with different sizes of housings, resulting in The improvement of this. In addition, if the improper clamping tool is selected, in the clamping and positioning process, because the clamping distance is fixed, the deformation and positioning deviation of the outer casing may be caused, resulting in processing errors in the subsequent processing, and the defect rate of the outer casing is improved. This has led to an increase in manufacturing costs.

Therefore, how to improve the shortcomings of the aforementioned clamping tools and to achieve the clamping tool with the size adjustment of the outer casing is to be solved by the relevant industry.

In order to solve the above problems, the present invention provides a floating clamping fixture, wherein the inner side surfaces of the workpiece are supported by the two inner positioning portions of the inner positioning structure, and the distance between the outer side surfaces and the outer side surfaces according to the outer positioning structure, the two outer tops The pressing portions are respectively moved toward the two outer side surfaces, so that the two outer pressing portions are pressed against the two outer side surfaces, so that the workpiece is clamped and fixed by the two inner positioning portions and the two outer pressing portions, thereby being able to match the size of the workpiece. The clamping position adjustment is adopted to avoid the fixed clamping distance limitation, which causes the workpiece to be damaged.

An embodiment of the present invention provides a floating clamping fixture for adjusting a positioning workpiece. The processing member has opposite inner side surfaces and two outer side surfaces, and the floating clamping fixture comprises: a base An inner positioning structure is disposed on the base and is provided for the processing component, and the inner positioning structure is provided with two inner positioning portions corresponding to the two inner side surfaces, wherein the inner positioning structure is coupled with a power source, and the power source drives the two inner positioning portions. And an outer positioning structure, wherein the outer positioning structure is disposed on the base and is respectively disposed on a side of the inner positioning structure, and the outer positioning structure is provided with an outer pressing portion corresponding to one of the outer sides, wherein the outer side The positioning structure is connected with the power source, and the power source drives the two outer pressing portions toward the two outer sides according to the distance between the outer positioning structures and the two outer side surfaces, so that the two outer pressing portions are pressed against the two outer sides, so that the workpiece is processed. The two inner positioning portions and the two outer pressing portions are sandwiched and fixed.

By the above, the present invention can achieve the effect by using the inner positioning structure within two The side positioning portion compensates and adjusts the distance between the two inner side surfaces of the workpiece, so that the two inner positioning portions completely hold the two inner side surfaces, and the distance between the two outer side surfaces can be respectively determined according to the outer positioning structure, and the two outer pressing portions are respectively directed toward The two outer side movements are adjusted so that the two outer pressing portions are completely pressed against the two outer side surfaces, so that the workpiece is clamped and fixed by the two inner positioning portions and the two outer pressing portions, whereby the size of the workpiece can be clamped. Adjustment to avoid fixed clamping distance restrictions, resulting in damage to the workpiece.

Moreover, the handling of the outer casing of the mobile phone is avoided, resulting in the clamping process of the mobile phone casing, which causes damage to the outer casing of the mobile phone due to the limitation of the clamping distance, thereby effectively protecting the outer casing of the mobile phone and effectively processing and producing The yield is increased.

1‧‧‧Processing parts

2‧‧‧ top surface

3‧‧‧ bottom

4‧‧‧Limited holes

5‧‧‧Limited parts

6‧‧‧Mobile phone case

7‧‧‧Outside

8‧‧‧ inside

10‧‧‧ Pedestal

11‧‧‧ first side

12‧‧‧ second side

20‧‧‧Inside positioning structure

21‧‧‧Inside positioning

211‧‧‧First room

212‧‧‧ Positioning parts

22‧‧‧Holdings

221‧‧‧ bottom

222‧‧‧ top surface

23‧‧‧ Positioning oil circuit

30‧‧‧Power source

40‧‧‧Outer positioning structure

41‧‧‧Outer press

411‧‧‧Second room

412‧‧‧Abutment

42‧‧‧Fixed parts

43‧‧‧Adjust the oil circuit

L1‧‧‧ distance

L2‧‧‧ distance

Figure 1 is a perspective view of the present invention.

Figure 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is a schematic view (1) showing an embodiment of the present invention, showing that the workpiece is to be placed on the receiving surface.

Figure 4 is a schematic view (2) of the embodiment of the present invention, showing that the two inner positioning portions respectively hold the two inner side faces.

Figure 5 is a schematic view (3) of the embodiment of the present invention, showing that the two inner positioning portions respectively hold the two inner sides.

Figure 6 is a schematic view (4) of an embodiment of the present invention, showing an outer pressing portion pressing against one of the outer sides.

Figure 7 is a schematic view (5) of the embodiment of the present invention, showing that the workpiece is clamped and fixed by the two inner positioning portions and the two outer pressing portions.

In order to facilitate the description of the central idea of the present invention in the column of the above summary of the invention, Expressed in the specific examples. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the proportions of actual elements, as set forth above.

Referring to FIG. 1 to FIG. 7 , the present invention provides a floating clamping fixture for adjusting and positioning a workpiece 1 , wherein the workpiece 1 has a rectangular shape, and the workpiece 1 has a top surface 2 oppositely disposed. A bottom hole 3 and a diagonal hole are provided with two limiting holes 4, wherein the two limiting holes 4 are provided for the two limiting members 5, and the mobile phone casing 6 is placed between the top surface 2 and the two limiting members 5 to make the mobile phone casing 6, the positioning is completed; further, the workpiece 1 is provided with two outer side faces 7 perpendicular to the two sides of the top surface 2 and correspondingly opposite the two outer side faces 7 having two inner side faces 8. The floating clamp fixture contains:

A base 10 is a rectangular block. The base 10 has a first surface 11 and a second surface 12 oppositely disposed. The first surface 11 is provided for the object, and the second surface 12 can be placed in the processing area.

An inner positioning structure 20 is disposed on the first surface 11 of the base 10 and disposed on the workpiece 1 . The inner positioning structure 20 is movably provided with two inner positioning portions 21 corresponding to the two inner side surfaces 8 . The inner positioning structure 20 has a receiving member 22, and the bottom surface 221 of the mounting member 22 is fixed on the first surface 11 of the base 10. The top surface 222 of the mounting member 22 is placed on the workpiece 1 and the bottom surface of the workpiece 1 is 3 Correspondingly placed on the top surface 222 of the mounting member 22, the two inner positioning portions 21 are movably disposed on the two sides of the two inner side surfaces 8 of the mounting member 22, wherein the inner positioning structure 20 is coupled to a power source 30, and the power source 30 The two inner positioning portions 21 are driven to respectively support the inner side surfaces 8.

Furthermore, the power source 30 is a hydraulic source, and the inner positioning structure 20 has a positioning oil passage 23, and the positioning oil passage 23 is disposed inside the bearing member 22, and the two inner positioning portions 21 are symmetric with respect to the two sides of the positioning oil passage 23. It is provided that the positioning oil passage 23 communicates with the power source 30 and the two inner positioning portions 21.

In addition, the two inner positioning portions 21 are respectively provided with a plurality of first chambers 211 and a plurality of positioning members 212 corresponding to the first chambers 211. The first chambers 211 are in communication with the positioning oil passages 23, and the power source 30 is connected. Driving the positioning members 212 to reciprocate relative to the first chambers 211, wherein, under normal conditions, each The positioning member 212 is pushed outward by the oil pressure of the power source 30; when an external force is applied to each positioning member 212, each positioning member 212 is retracted, so that the oil pressure in the first chamber 211 is returned to the positioning oil passage 23 to In the embodiment of the present invention, the number of the positioning members 212 of each of the inner positioning portions 21 is three, and the number of the first chambers 211 is three, which are respectively disposed at two ends of the two sides of the bearing member 22. And the middle position.

Therefore, when the workpiece 1 is not placed in the normal state, the oil pressure enters the first chamber 211 from the positioning oil passage 23, so that the positioning members 212 are pushed outward, and the distance between the positioning members 212 of the two inner positioning portions 21 is the distance. L1, the distance between the two inner side faces 8 is the distance L2. At this time, the distance L1 is greater than the distance L2; when the workpiece 1 is correspondingly placed on the top surface 222 of the mounting member 22, the two inner side faces 8 will have the two inner positioning portions 21 Each of the positioning members 212 is retracted, so that the oil pressure in the first chamber 211 is returned to the power source 30 by the positioning oil passage 23. At this time, if there is a gap between each of the positioning members 212 and the inner side surfaces 8, the borrowing can be borrowed. The oil pressure of the power source 30 enters each of the first chambers 211 to push the positioning members 212 to adjust the compensation gaps, so that the positioning members 212 of the two inner positioning portions 21 can completely hold the two inner sides 8 so that the distance L1 is equal to the distance L2. , to achieve positioning efficiency.

An outer positioning structure 40 is disposed on the first surface 11 of the base 10 and is respectively disposed at a side of the inner positioning structure 20, and the outer positioning structure 40 is respectively provided with an outer pressing portion 41 corresponding to one of the outer side surfaces 7, In the embodiment of the present invention, the two outer pressing portions 41 are spaced apart, and the inner peripheral positioning structure 20 is disposed between the two peripheral pressing portions 41. The outer positioning structure 40 is coupled with the power source 30, and the power source 30 is positioned according to the outer side. The distance between the structure 40 and the two outer side surfaces 7 respectively drives the two outer pressing portions 41 to move toward the two outer side surfaces 7, so that the two outer pressing portions 41 are pressed against the two outer side surfaces 7, so that the workpiece 1 is positioned by the two inner side portions. 21 and the two outer pressing portions 41 are clamped and fixed. In the embodiment of the present invention, the number of the outer positioning structures 40 is two, and each of the outer pressing portions 41 is disposed on each of the outer positioning structures 40, and the two outer positioning structures 40 are respectively disposed on two sides of the inner positioning structure 20.

Furthermore, the two outer positioning structures 40 each have a fixing member 42 and an adjusting oil path 43, two The fixing members 42 are respectively fixed to the first surface 11 of the base 10, the adjusting oil passages 43 are disposed inside the fixing members 42, and the two adjusting oil passages 43 and the positioning oil passages 23 communicate with the power source 30. The two outer pressing portions 41 are respectively disposed on the side edges of the two fixing members 42. The two outer pressing portions 41 are respectively spaced apart from the plurality of second receiving chambers 411 and the plurality of movable corresponding chambers 411 are respectively disposed at the second receiving chambers 411. The second housing chamber 411 is in communication with the adjustment oil passage 43 and the power source 30. The power source 30 drives the abutting members 412 to reciprocate in the second chamber 411. In the embodiment of the present invention, each of the outer pressing portions 41 is provided with three abutting members 412 , and each abutting member 412 corresponds to each of the positioning members 212 of each inner positioning portion 21 .

In addition, the two outer pressing portions 41 simultaneously or non-simultically press the two outer side surfaces 7, wherein when the distance between the outer side pressing portions 41 and the two outer side surfaces 7 is the same, the oil pressure of the power source 30 is continuously input into the adjusting oil. In the road 43, the oil pressure flows into each of the second chambers 411 to push the abutting members 412, so that the abutting members 412 are moved toward the two outer side surfaces 7, wherein the abutting members 412 are moved by the same distance, and therefore, the two outer pressing members are pressed. The abutting members 412 of the portion 41 simultaneously press the two outer side surfaces 7; when the distance between the outer side pressing portions 41 and the two outer side surfaces 7 are different, the oil pressure of the power source 30 is continuously input into the adjusting oil passage 43. The oil pressure flows into each of the second chambers 411 to push the abutting members 412, and the distances of the abutting members 412 of the two outer pressing portions 41 are different, and are closer to the side 7 than the workpieces 1 The abutting member 412 is pressed first, and the remaining abutting members 412 are continuously pushed by the oil until they are pressed against the two outer side faces 7 of the workpiece 1. Therefore, the abutting members 412 of the two outer pressing portions 41 are not simultaneously Press against the two outer sides 7.

Therefore, referring to FIG. 3 to FIG. 4, when the workpiece 1 is to be clamped, the workpiece 1 is placed on the top surface 222 of the mounting member 22, and the two limiting members 5 are disposed in the two limiting holes 4, The mobile phone casing 6 is placed between the two limiting members 5 to complete the positioning of the mobile phone casing 6; please refer to FIG. 4 and FIG. 5, after the workpiece 1 is placed on the top surface 222 of the mounting member 22, the oil pressure of the power source 30 The gap between each positioning member 212 and the two inner side surfaces 8 is compensated until the positioning members 212 of the two inner positioning portions 21 completely hold the inner side surfaces 8 to complete the processing member 1 Preliminary positioning.

Referring to FIG. 6 to FIG. 7 , after the initial positioning of the workpiece 1 , the oil pressure of the power source 30 is pressurized and input to the adjustment oil passage 43 , and the oil pressure pushes each of the abutting members 412 of the two outer pressing portions 41 toward the outside. The side surface 7 is moved. According to the same or different distance between the abutting members 412 and the two outer side surfaces 7, the abutting members 412 can simultaneously or simultaneously press the two outer side surfaces 7 until all the abutting members 412 are completely pressed against the processing. The workpiece 1 is sandwiched and fixed by the two inner positioning portions 21 and the two outer pressing portions 41 up to the outer side surfaces 7 of the member 1.

Thereby, by the floating compensation of each positioning member 212 and each abutting member 412, the clamping adjustment can be matched with the size of different workpieces 1, thereby increasing the applicable breadth of the clamping range and reducing the design and manufacturing cost of the fixture.

In addition, the casing 6 of the mobile phone is prevented from being directly clamped, and the casing 6 of the mobile phone is damaged during the clamping process. Therefore, the casing 6 of the mobile phone can be effectively protected, and the processing can be effectively performed to increase the production yield.

The above embodiments are merely illustrative of the invention and are not intended to limit the scope of the invention. Any modifications or variations that are made without departing from the spirit of the invention are intended to be protected.

Claims (13)

The utility model relates to a floating clamping fixture for adjusting a positioning workpiece. The processing component has opposite inner side surfaces and two outer side surfaces. The floating clamping fixture comprises: a base; an inner positioning structure, The inner positioning structure is provided with two inner positioning portions corresponding to the two inner side surfaces, wherein the inner positioning structure is coupled with a power source, and the power source drives the two inner sides. The positioning portion respectively supports the two inner side surfaces; and an outer positioning structure is disposed on the base and disposed on a side of the inner positioning structure, and the outer positioning structure is provided with an outer side pressing corresponding to one of the outer sides The outer positioning structure is coupled to the power source, and the power source drives the two outer pressing portions toward the two outer sides according to the distance between the outer positioning structure and the outer side surfaces, so that the two outer tops The pressing portion is pressed against the two outer side surfaces, so that the workpiece is clamped and fixed by the two inner positioning portions and the two outer pressing portions. The floating clamp according to claim 1, wherein the outer pressing portion presses the two outer sides simultaneously or non-simultaneously. The floating clamp fixture of claim 2, wherein when the outer pressing portions are respectively at the same distance from the outer sides, the outer pressing portions simultaneously press the outer surfaces. The floating gripping jig according to claim 2, wherein when the outer pressing portions are different from the outer side surfaces, the outer pressing portions are not simultaneously pressed against the outer surfaces. The floating clamp fixture of claim 1, wherein the two inner positioning portions are symmetrically disposed. The floating clamping fixture of claim 5, wherein the two inner positioning portions are respectively spaced apart by a plurality of positioning members, and the power source drives the positioning members to hold the inner side surfaces. The floating clamping fixture of claim 5, wherein the two inner positioning portions are provided with a plurality of first chambers, and each of the positioning members is correspondingly disposed in each of the first chambers. The floating clamp fixture of claim 7, wherein the power source is an oil pressure source, and the inner positioning structure has a positioning oil passage that communicates with the power source and each of the first chambers. The floating clamping fixture of claim 5, wherein the inner positioning structure has a receiving member, the bottom surface of the receiving member is fixed to the base, and the top surface of the receiving member is provided with the processing member The two inner positioning portions are respectively disposed on the two sides of the two inner side surfaces of the bearing member. The floating clamp fixture of claim 1 or 2, wherein the outer pressing portion is spaced apart from the plurality of abutting members, and the power source drives the abutting members against the outer side surfaces. The floating clamping fixture of claim 10, wherein the outer pressing portion is provided with a plurality of second chambers, and each of the bottom members is correspondingly disposed in each of the second chambers. The floating clamp fixture of claim 11, wherein the power source is an oil pressure source, and the two outer positioning structures are respectively provided with an adjustment oil passage, and the two adjustment oil passages and each of the second chambers are connected to the Power source. The floating clamping fixture of claim 1, wherein the number of the outer positioning structures is two, and each outer pressing portion is respectively disposed on each outer positioning structure, and the two outer positioning structures are respectively disposed on the Both sides of the inner positioning structure.