Jig and machining equipment
By designing the structure of the bearing table, guide pin and pressure head in the fixing of the workpiece and spraying the processing fluid, the problem of traditional cutting fluid spraying method occupying space and improving processing efficiency.
Patent Information
- Application Number
- CN202323491405.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-20
AI Technical Summary
In electronic product processing, traditional cutting fluid spraying methods require additional nozzles and auxiliary brackets, which causes the fixture to occupy space and thus reduce processing efficiency.
A fixture including a carrier table, guide pin and pressure head is designed to fix the workpiece through the positioning groove and guide pin, and spray the processing fluid through the infusion hole and the spray hole, avoiding the additional nozzle or auxiliary installation. The demand for brackets reduces space usage.
The function of efficient fixing workpieces and spraying processing fluid is realized, which improves processing efficiency, avoids processing interference, and reduces the complexity of equipment installation.
Smart Images
Figure CN222176752U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of automated processing, and specifically to a fixture and processing equipment. Background Art
[0002] At present, in the processing and manufacturing of electronic products, such as the processing of mobile phone shells, drilling and milling processes are usually required. These processes require spraying cutting fluid on the tool and the product to achieve cooling, lubrication and chip removal, thereby ensuring the processing quality. The traditional method of cutting fluid spraying is to set up additional nozzles and auxiliary brackets above the fixture used to clamp the workpiece, but this method will occupy space in the processing equipment, making it difficult to install the fixture, which in turn reduces the processing efficiency. Utility Model Content
[0003] In view of this, it is necessary to provide a fixture and processing equipment that can both fix the workpiece and spray the processing fluid to improve the processing efficiency.
[0004] In one embodiment of the present application, a jig is provided, including a carrier platform, a guide pin and a pressure head. The carrier platform is provided with a positioning groove, and the positioning groove is used to position the workpiece. The guide pin is arranged on the side of the carrier platform having the positioning groove. The pressure head can move relative to the carrier platform, and the pressure head is provided with a guide hole, and the guide hole is used to accommodate the guide pin, so that the guide pin can guide the movement of the pressure head by contacting the hole wall of the guide hole. Under the guidance of the guide pin, the pressure head can move toward the carrier platform until the workpiece is pressed to fix the workpiece to the carrier platform. The guide pin is provided with an infusion hole, and the pressure head is also provided with a spray hole connected to the guide hole. When the pressure head fixes the workpiece, the guide pin is located in the guide hole, and the spray hole is connected to the infusion hole through the guide hole. The infusion hole is used to supply processing fluid to flow into the spray hole. The spray hole is located above the carrier platform, and the spray hole is used to spray the processing fluid onto the workpiece.
[0005] In the above-mentioned jig, the workpiece is positioned by the positioning groove and the pressure head is guided by the guide pin, so that the pressure head can contact the workpiece at the same position each time it moves under the guidance of the guide pin, and the same position is the non-processing area of the workpiece, that is, it is guaranteed that the pressure head contacts the non-processing area of the workpiece, and avoids the pressure head from contacting the to-be-processed area of the workpiece due to accidental shaking, thereby avoiding interference with the processing of the workpiece, thereby achieving the function of efficiently fixing the workpiece. At the same time, when the pressure head fixes the workpiece, the jig can also connect the spray hole through the infusion hole, so that the processing fluid can enter the spray hole through the infusion hole, and then spray to the workpiece through the spray hole, thereby achieving the cooling, lubrication and chip removal of the workpiece. Therefore, the jig achieves the purpose of both positioning the workpiece and spraying the processing fluid, without the need to set up additional nozzles or auxiliary brackets, reducing the occupied space, facilitating the installation and use of the jig, and thus improving the processing efficiency.
[0006] In some embodiments, the pressure head includes a first pressure-applying portion, which is provided with a avoidance groove. The first pressure-applying portion forms a avoidance space in the avoidance groove, and the avoidance space is used to expose an area of the workpiece close to the edge. The first pressure-applying portion has a first pressure surface, a first side surface and a second side surface that are vertically arranged. The avoidance groove is arranged between the first side surface and the second side surface and passes through the first pressure surface. The area of the first pressure surface close to the avoidance groove is used to apply pressure to the workpiece, and the spray hole passes through the first side surface, the second side surface and the groove surface of the avoidance groove.
[0007] In some embodiments, the pressure head includes a second pressure portion, the second pressure portion has a second pressure surface and a third side surface connected to each other, an edge is formed between the second pressure surface and the third side surface, the area of the second pressure surface close to the edge is used to apply pressure to the workpiece, and the spray hole passes through the third side surface.
[0008] In some embodiments, the pressure head forms an upper plane, a lower plane, a first side hole surface and a second side hole surface on the hole wall of the spray hole, and there is a first angle between the upper plane and the lower plane, and the first angle causes the height of the spray hole to gradually increase from the inside to the outside. There is a second angle between the first side hole surface and the second side hole surface, and the second angle causes the width of the spray hole to gradually increase from the inside to the outside.
[0009] In some embodiments, the guide pin includes a first section and a second section that are connected to each other, an infusion hole passes through opposite ends of the first section and the second section, the second section is used to connect to the support platform, the radial dimension of the first section is the same as the radial dimension of the guide hole, the guide hole is used to accommodate the first section, the first section is used to guide the movement of the pressure head, the radial dimension of the first section is smaller than the radial dimension of the second section, so that one end of the second section connected to the first section forms a stop surface, and the stop surface is used to prevent the pressure head from moving toward the support platform to limit the moving distance of the pressure head.
[0010] The fixture also includes a driver, which can drive the pressure head to rise relative to the bearing platform and then rotate. After the pressure head rises, it can send the workpiece away and disengage from the guide pin. After the pressure head rotates, it can move away from the bearing platform.
[0011] In some embodiments, the driver can also drive the pressure head to rotate relative to the support platform and then descend. After the pressure head rotates, the guide hole can be aligned with the guide pin. After the pressure head descends, the guide pin can enter the guide hole to guide the pressure head until the pressure head contacts the workpiece and connects the infusion hole to the spray hole.
[0012] In some embodiments, the fixture also includes a liquid pump and a controller. The liquid pump is connected to the infusion hole and is used to deliver processing fluid to the infusion hole. The controller can transmit signals to the liquid pump and the driver. The controller is used to control the liquid pump to deliver processing fluid after the pressure head fixes the workpiece, and is also used to control the liquid pump to stop when the pressure head releases the workpiece.
[0013] In some embodiments, the outer contour of the workpiece is rectangular, and the workpiece is fixed to the supporting platform by four first pressure parts, and the four first pressure parts are respectively used to press down the four corners of the workpiece. The spray hole of each first pressure part passes through the first side surface, the second side surface and the groove surface of the avoidance groove, and the spray range of the four spray holes is superimposed to cover the workpiece.
[0014] In some embodiments, the workpiece is fixed to the supporting platform by two second pressure parts, and the two second pressure parts are respectively used to press down two opposite long side edges of the workpiece. The two second pressure parts are arranged opposite to each other, and the spray hole of each second pressure part passes through the third side surface, and the width of the spray hole is the same as the width of the third side surface.
[0015] In one embodiment of the present application, a processing device is also provided, including a processing module and a fixture as in any of the above embodiments, the processing module is used to process a workpiece, and the fixture is used to position the workpiece and spray a processing fluid onto the workpiece during processing.
[0016] In the above-mentioned processing equipment, the fixture can both position the workpiece and spray the processing fluid, so there is no need to set up additional nozzles or auxiliary brackets, which reduces the occupied space in the processing equipment, facilitates the installation and use of the fixture, and thus improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional diagram of a fixture fixing a workpiece in one embodiment of the present application.
[0018] Figure 2 for Figure 1 A three-dimensional view of the middle platform and guide members.
[0019] Figure 3 for Figure 1 Cross-sectional view of the middle platform, guide and pressure head.
[0020] Figure 4 for Figure 1 A perspective view of the middle pressure head from the bottom.
[0021] Figure 5 It is a three-dimensional diagram of a fixture in another embodiment of the present application.
[0022] Figure 6 for Figure 5 Cross-sectional view of the medium pressure head.
[0023] Figure 7 This is a three-dimensional diagram of a fixture in yet another embodiment of the present application.
[0024] Figure 8 for Figure 1 Cross-sectional view of the medium pressure head.
[0025] Fig. 9 for Figure 1Cross-sectional view of the medium pressure head.
[0026] Fig.10 for Figure 6 Schematic diagram of the spray range of the medium pressure head.
[0027] Fig.11 for Figure 1 A three-dimensional view of the workpiece being released by the middle fixture.
[0028] Main component symbols
[0029] Jig 100
[0030] Workpiece 200
[0031] Loading platform 10
[0032] Positioning slot 11
[0033] Guide pin 20
[0034] Infusion hole 21
[0035] 1st paragraph 22
[0036] Rounded Corner 221
[0037] Section 23
[0038] Stop surface 231
[0039] Pressure head 30
[0040] Guide hole 31
[0041] Spray hole 32
[0042] Gate 32a
[0043] Upper plane 321
[0044] Lower plane 322
[0045] First side hole surface 323
[0046] Second side hole surface 324
[0047] First pressing portion 30a
[0048] Avoidance groove 30a1
[0049] Avoidance space 30a2
[0050] First pressure surface 33
[0051] First side 34
[0052] Second side 35
[0053] Second pressing portion 30b
[0054] Second pressure surface 36
[0055] The third side 37
[0056] The first angle w1
[0057] The second angle w2
[0058] Drive 40 DETAILED DESCRIPTION
[0059] The technical solution of the present application will be described below in conjunction with the drawings in the implementation modes of the present application. Obviously, the described implementation modes are only part of the implementation modes of the present application, rather than all the implementation modes.
[0060] It should be noted that when a component is referred to as being "located on" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "located on" another component, it may be directly located on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0061] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance. The term "perpendicular" is used to describe an ideal state between two components. In actual production or use, there may be a state that is approximately perpendicular between the two components. For example, in combination with numerical descriptions, perpendicularity may refer to the angle between two straight lines being between 90°±10°, perpendicularity may also refer to the dihedral angle between two planes being between 90°±10°, and perpendicularity may also refer to the angle between a straight line and a plane being between 90°±10°. The two components described as "perpendicular" may not be absolute straight lines or planes, but may be roughly straight lines or planes. From a macroscopic perspective, a component may be considered a "straight line" or a "plane" if the overall extension direction is a straight line or a plane. The number of components described as "plurality" is two or more.
[0062] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0063] Some embodiments of the present application are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0064] See also Figures 1 to 3 In one embodiment of the present application, a fixture 100 is provided, which can not only position a workpiece 200 but also spray a processing fluid on the workpiece 200 during processing. The fixture 100 includes a carrier 10, a guide pin 20 and a pressure head 30. The carrier 10 is placed horizontally and is provided with a positioning groove 11 on the top surface. The positioning groove 11 is used to place the workpiece 200 and can position the workpiece 200 in the horizontal direction. The guide pin 20 is provided on the top surface of the carrier 10. The pressure head 30 can move relative to the carrier 10. The pressure head 30 after movement is used to press the workpiece 200 to position the workpiece 200 to the carrier 10 in the vertical direction. The pressure head 30 is provided with a guide hole 31. The guide hole 31 is used to accommodate the guide pin 20. When the guide pin 20 is located in the guide hole 31, the guide pin 20 can limit the moving direction of the pressure head 30 through the hole wall of the guide hole 31, thereby playing a role in guiding the pressure head 30. Since the workpiece 200 is positioned in the positioning groove 11, each time the workpiece 200 is placed on the carrier 10, the position of the workpiece 200 relative to the carrier 10 is fixed. At the same time, since the position of the guide pin 20 relative to the carrier 10 is also fixed, the ram 30 can contact the workpiece 200 at the same position each time it moves under the guidance of the guide pin 20, and the same position is set as the non-processing area of the workpiece 200, that is, it is ensured that the ram 30 only contacts the non-processing area of the workpiece 200, and avoids the ram 30 accidentally contacting the to-be-processed area of the workpiece 200 due to accidental shaking, thereby avoiding the processing of the workpiece 200 being interfered with by the ram 30, thereby achieving the function of efficiently fixing the workpiece 200.
[0065] The guide pin 20 is provided with an infusion hole 21, which passes through the top and bottom of the guide pin 20. The infusion hole 21 is used to transport the processing fluid, and the processing fluid enters the infusion hole 21 through the bottom of the guide pin 20. The pressure head 30 is also provided with a spray hole 32 connected to the guide hole 31. When the pressure head 30 applies pressure to the workpiece 200, the guide pin 20 is located in the guide hole 31, so that the guide hole 31 can be connected to the infusion hole 21 through the top of the guide pin 20, so that the spray hole 32 can be connected to the infusion hole 21 through the guide hole 31, and then the processing fluid entering the infusion hole 21 can flow into the spray hole 32. At the same time, when the pressure head 30 applies pressure to the workpiece 200, the position of the spray hole 32 passing through the pressure head 30 is located above the carrier 10 and the workpiece 200, so that the processing fluid flowing into the spray hole 32 can be sprayed to the workpiece 200 below, thereby realizing the cooling, lubrication and chip removal of the workpiece 200 during the processing.
[0066] In summary, the fixture 100 can both position the workpiece 200 and spray the processing fluid, without the need for additional nozzles or auxiliary brackets, reducing the occupied space, facilitating the installation and use of the fixture 100, and thus improving the processing efficiency. As an illustrative example, the processing method of the workpiece 200 is milling and drilling, and the processing fluid is cutting fluid.
[0067] See also Figure 1 and Figure 4 In some embodiments, the pressing head 30 applies pressure to the non-linear edge of the workpiece 200 to fix the workpiece 200. However, depending on the shape of the workpiece 200 and the required processing scenario, if there is a processing area on the non-linear edge of the workpiece 200 that needs to be processed, in order to avoid the pressing head 30 covering the processing of the workpiece 200, the pressing head 30 includes a first pressing portion 30a, and the first pressing portion 30a is provided with a avoidance groove 30a1. The first pressing portion 30a applies pressure to the non-linear edge of the workpiece 200 through the edge portion close to the avoidance groove 30a1. The first pressing portion 30a forms an avoidance space 30a2 in the avoidance groove 30a1. The avoidance space 30a2 is used to expose the processing area of the workpiece 200 close to the non-linear edge, so that the first pressing portion 30a can fix the workpiece 200 while fully exposing the processing area of the workpiece 200, thereby avoiding the pressing head 30 from interfering with the processing of the workpiece 200.
[0068] Further optionally, the shape of the first pressure portion 30a at the edge of the avoidance groove 30a1 is similar to the shape of the non-linear edge of the workpiece 200, so that the avoidance space 30a2 can more fully expose the processing area of the workpiece 200 close to the edge for easy processing.
[0069] For example, Figure 1 As shown, the outer contour of the workpiece 200 is a rectangle with rounded corners, and the first pressure-applying portion 30a is used to apply pressure to the rounded corner edge of the workpiece 200 to fix the workpiece 200. The workpiece 200 has a processing area that needs to be processed at the rounded corner of the rectangle. The first pressure-applying portion 30a also has a similar rounded corner at the edge of the avoidance groove 30a1. The first pressure-applying portion 30a applies pressure to the rounded corner edge of the workpiece 200 through the rounded corner area close to the avoidance groove 30a1, so that the avoidance space 30a2 can expose the processing area at the rounded corner of the workpiece 200 for processing;
[0070] For another example, the outer contour of the workpiece 200 is a rectangle with a right angle, the first pressure-applying portion 30a is used to apply pressure to the right-angle edge of the workpiece 200 to fix the workpiece 200, the workpiece 200 has a processing area that needs to be processed at the right angle of the rectangle, the first pressure-applying portion 30a is also at a right angle at the edge of the avoidance groove 30a1, the first pressure-applying portion 30a applies pressure to the right-angle edge of the workpiece 200 through the right-angle area close to the avoidance groove 30a1, so that the avoidance space 30a2 can expose the processing area at the right angle of the workpiece 200 for processing;
[0071] For another example, the outer contour of the workpiece 200 is circular, and the first pressure portion 30a is used to apply pressure to the circular edge of the workpiece 200 to fix the workpiece 200. The workpiece 200 has a processing area that needs to be processed in the area near the edge. The first pressure portion 30a is in a similar arc shape at the edge of the avoidance groove 30a1. The first pressure portion 30a applies pressure on the edge of the workpiece 200 through the arc-shaped edge area close to the avoidance groove 30a1, so that the avoidance space 30a2 can expose the processing area at the edge of the workpiece 200 for processing.
[0072] See also Figure 1 and Figure 4 In some embodiments, the workpiece 200 is a frame or shell of an electronic product, and the outer contour of the workpiece 200 is a rectangle with rounded corners, wherein the electronic product may be a mobile phone, etc. The first pressure portion 30a has a first pressure surface 33, a first side surface 34 and a second side surface 35 which are arranged perpendicularly to each other, that is, the first pressure surface 33, the first side surface 34 and the second side surface 35 are perpendicular to each other, and the avoidance groove 30a1 is arranged along the edge between the first side surface 34 and the second side surface 35 and passes through the first pressure surface 33. The area of the first pressure surface 33 close to the avoidance groove 30a1 is used to pressurize the workpiece 200. The first pressure surface 33 forms a rounded corner with an angle of 90 degrees at the edge of the avoidance groove 30a1. When the first pressure surface 33 presses the workpiece 200, the first pressure surface 33 is in the avoidance groove 30a The rounded corner formed by the edge is concentric with the rounded corner of the workpiece 200, so that the first pressure surface 33 only contacts the edge area of the workpiece 200 at the rounded corner. At the same time, the first side surface 34, the second side surface 35 and the groove surface of the avoidance groove 30a1 are perpendicular to the workpiece 200, so that the remaining area of the workpiece 200 will not be blocked by the first pressure portion 30a, thereby maximally exposing the workpiece 200 to facilitate the processing of the workpiece 200.
[0073] See also Figure 5 and Figure 6 In some embodiments, the pressing head 30 applies pressure to the straight edge of the workpiece 200 to fix the workpiece 200. The pressing head 30 includes a second pressing portion 30b. The second pressing portion 30b has a second pressing surface 36 and a third side surface 37 that are vertically connected. An edge is formed between the second pressing surface 36 and the third side surface 37. The edge area of the second pressing surface 36 close to the edge is used to apply pressure to the straight edge of the workpiece 200. When the second pressing surface 36 applies pressure to the workpiece 200, the edge between the second pressing surface 36 and the third side surface 37 is parallel to the straight edge of the workpiece 200, and the third side surface 37 is perpendicular to the workpiece 200, so that the remaining area of the workpiece 200 will not be blocked by the second pressing portion 30b, thereby maximizing the exposure of the workpiece 200 to facilitate the processing of the workpiece 200.
[0074] In some embodiments, Figure 1 As shown, when the outer contour of the workpiece 200 is a rectangle with rounded corners, the workpiece 200 can be fixed by four first pressure parts 30a, and the four first pressure parts 30a are used to press down the four rounded corners of the workpiece 200, so as to fix the workpiece 200 to the carrier 10. Further optionally, the spray hole 32 of each first pressure part 30a passes through the first side surface 34, the second side surface 35 and the groove surface of the avoidance groove 30a1, and the spray range of the four spray holes 32 can be fully covered when superimposed together, so as to fully cool, lubricate and remove chips from the workpiece 200. As an illustrative example, the method of fixing the workpiece 200 by four first pressure parts 30a is suitable for the scene of fine processing such as processing the inner cavity and small-diameter hole structure of the workpiece 200.
[0075] In some embodiments, Figure 5 and Figure 6 As shown, when the outer contour of the workpiece 200 is a rectangle with rounded corners, the workpiece 200 can also be fixed by two second pressure parts 30b, the two second pressure parts 30b are respectively used to press down the two opposite long edges of the workpiece 200, and the two second pressure parts 30b are arranged oppositely along the width direction of the workpiece 200, so as to fix the workpiece 200 to the carrier 10. Further optionally, the spray hole 32 of each second pressure part 30b only penetrates the third side surface 37, so that the two sides of the spray hole 32 will not penetrate other surfaces to cause lateral leakage of the processing liquid, so that the pressure of the processing liquid sprayed from the spray hole 32 is sufficient to play a spraying role, and the width of the spray hole 32 is the same as the width of the third side surface 37, so that the width of the spray hole 32 can be maximized on the basis of only penetrating the third side surface 37, thereby maximizing the spray range to cover the workpiece 200 with the maximum area. As an illustrative example, since the spraying range of the two second pressure parts 30b cannot cover the entire area of the workpiece 200, the method of fixing the workpiece 200 by the two second pressure parts 30b is suitable for processing scenarios with low precision requirements for the workpiece 200, such as processing the cavity and shape of the workpiece 200.
[0076] In some embodiments, Figure 7As shown, when the outer contour of the workpiece 200 is a rectangle with rounded corners, the workpiece 200 can also be fixed by four first pressure parts 30a and two second pressure parts 30b. The four first pressure parts 30a are respectively used to press down the four rounded corners of the workpiece 200, and the two second pressure parts 30b are respectively used to press down the two opposite long edges of the workpiece 200, so as to fix the workpiece 200 to the carrier table 10. The spray ranges of the four first pressure parts 30a and the two second pressure parts 30b are superimposed together to completely cover the entire area of the workpiece 200 and make the spray volume of the machining fluid larger. Therefore, the method of fixing the workpiece 200 by four first pressure parts 30a and two second pressure parts 30b is suitable for processing scenarios with high precision requirements for the workpiece 200, such as processing the inner cavity of the workpiece 200, small anisotropic structures in the mold cavity, or precision processing of small-diameter holes.
[0077] It can be understood that in some other embodiments, depending on the outer contour shape, processing accuracy and processing scene of the workpiece 200, the workpiece 200 can also be fixed by the remaining number of first pressure parts 30a and second pressure parts 30b, as long as the workpiece 200 can be stably fixed and the spray range covers the processing area.
[0078] See also Figure 8 and Fig. 9 In some embodiments, the pressure head 30 forms an upper plane 321, a lower plane 322, a first side hole surface 323 and a second side hole surface 324 on the hole wall of the spray hole 32, and a first angle w1 is formed between the upper plane 321 and the lower plane 322. The first angle w1 makes the height of the spray hole 32 gradually increase from the inside to the outside, and a second angle w2 is formed between the first side hole surface 323 and the second side hole surface 324. The second angle w2 makes the width of the spray hole 32 gradually increase from the inside to the outside, that is, the first angle w1 and the second angle w2 make the cross-sectional area of the spray hole 32 gradually increase from the inside to the outside, so that the spray range of the processing fluid gradually increases from near to far, thereby more fully covering the area of the workpiece 200. As an exemplary example, the angle range of the first angle w1 is greater than or equal to 20 degrees and less than or equal to 35 degrees, and the angle range of the first angle w1 is greater than or equal to 30 degrees and less than or equal to 90 degrees.
[0079] Among them, see Fig.10 When both sides of the workpiece 200 are fixed by two oppositely arranged second pressure parts 30b, the second pressure part 30b on one side is located within the farthest spraying area of the second pressure part 30b on the other side, so that the area of the workpiece 200 between the two second pressure parts 30b can be fully sprayed.
[0080] See also Fig. 9In some embodiments, the spray hole 32 passes through the position of the pressure head 30 to form a gate 32a, the gate 32a is rectangular, the length of the gate 32a is set horizontally, and the height H of the gate 32a is less than the length of the gate 32a, so that after the processing liquid is sprayed from the gate 32a, the injection pressure is released more in the horizontal direction, so that the processing liquid is ejected farther in the horizontal direction, and then the processing liquid covers a larger area of the workpiece 200. As an exemplary example, the height H of the gate 32a is greater than or equal to 0.8 mm and less than or equal to 1.5 mm.
[0081] See also Figure 2 and Figure 3 In some embodiments, the guide pin 20 includes a first section 22 and a second section 23 connected to each other, the infusion hole 21 passes through the opposite ends of the first section 22 and the second section 23, the first section 22 and the second section 23 are coaxially arranged, and the second section 23 is vertically connected to the support platform 10 along the axial direction. The radial dimension of the first section 22 is the same as the radial dimension of the guide hole 31, so that the guide hole 31 can accommodate the first section 22. When the ram 30 moves to the first section 22 and inserts into the guide hole 31, the first section 22 plays a role in guiding the movement of the ram 30, so that the ram 30 moves along the axial direction of the first section 22. The radial dimension of the first section 22 is smaller than the radial dimension of the second section 23, so that the end of the second section 23 connected to the first section 22 forms a stop surface 231, and the stop surface 231 is used to prevent the ram 30 from moving toward the support platform 10, so as to limit the moving distance of the ram 30 and prevent the ram 30 from moving excessively and damaging the workpiece 200.
[0082] Further optionally, a rounded corner 221 is provided at one end of the first section 22 away from the second section 23 , and the rounded corner 221 is used to guide the first section 22 to smoothly enter the guide hole 31 , so as to more efficiently guide the pressure head 30 and improve reliability.
[0083] See also Fig.11 In some embodiments, the fixture 100 further includes a driver 40, which is connected to the pressure head 30. The driver 40 can drive the pressure head 30 to first rise and then rotate relative to the carrier platform 10, or drive the pressure head 30 to first rotate and then descend relative to the carrier platform 10.
[0084] When the ram 30 needs to release the workpiece 200, the driver 40 drives the ram 30 to rise first and then rotate. After rising, the ram 30 can send the workpiece 200 away and disengage from the guide pin 20. Then, the ram 30 rotates to move away from the supporting platform 10, so that the ram 30 avoids the top of the workpiece 200, so that personnel or robot grippers can more conveniently and quickly pick up the processed workpiece 200 from above for unloading.
[0085] When the ram 30 is required to press down the workpiece 200, the driver 40 drives the ram 30 to rotate first and then descend. After the ram 30 rotates, the guide hole 31 can be aligned with the guide pin 20. Then, the ram 30 descends to allow the guide pin 20 to be inserted into the guide hole 31 to guide the ram 30. When the ram 30 descends until the ram 30 presses down the workpiece 200, the infusion hole 21 is connected to the spray hole 32 to prepare for spraying processing fluid when the workpiece 200 is processed.
[0086] As an illustrative example, the driver 40 is a rotary downward-pressing cylinder, or the driver 40 can also be a combination of a linear cylinder and a motor, etc., as long as it can drive the pressure head 30 to rise, fall and rotate in sequence.
[0087] In some embodiments, the fixture 100 also includes a liquid pump and a controller (not shown). The liquid pump is connected to the infusion hole 21 and is used to deliver processing fluid to the infusion hole 21. The controller can transmit signals to the liquid pump and the driver. The controller is used to control the liquid pump to deliver processing fluid after the pressure head 30 fixes the workpiece 200, and is also used to control the liquid pump to stop delivering processing fluid when the pressure head 30 releases the workpiece 200, thereby avoiding waste of processing fluid and reducing costs.
[0088] Further optionally, the controller can also control the liquid pump to deliver the processing fluid to each ram 30 individually or stop delivering the processing fluid, specifically: when the machining tool processes one side of the workpiece 200, the ram 30 relatively close to the machining tool stops spraying the processing fluid, while the ram 30 relatively far from the machining tool sprays the processing fluid, because the ram 30 relatively close to the machining tool is too close to the machining tool, even if the processing fluid is sprayed, the processing fluid cannot be directly sprayed to the machining part of the machining tool and the workpiece 200, resulting in a low spraying effect, but the ram 30 relatively far from the machining tool can spray the processing fluid directly to the machining part of the machining tool and the workpiece 200, so in order to avoid the waste of processing fluid, during the machining process, the controller makes each ram 30 spray the processing fluid at an appropriate time, rather than continuously spraying the processing fluid, so as to meet the cooling, lubrication or chip removal purpose of the workpiece 200 with the least amount of processing fluid, thereby improving the spraying efficiency and reducing the cost. It can be understood that the distance between the machining tool and the ram 30 when forcing the ram 30 to stop spraying is preset according to different machining scenarios.
[0089] For example, when the outer contour of the workpiece 200 is rectangular and the four corners are fixed by four first pressure parts 30a, the controller is used to control the liquid pump to individually deliver or stop delivering processing fluid to each first pressure part 30a. When the processing tool processes one side of the workpiece 200, one or two first pressure parts 30a relatively close to the side of the processing tool stop spraying the processing fluid, while one or two first pressure parts 30a relatively far from the side of the processing tool spray the processing fluid; when the processing tool processes the center of the workpiece 200, the controller causes the four first pressure parts 30a to spray the processing fluid together.
[0090] For another example, when the outer contour of the workpiece 200 is rectangular and the two opposite sides are fixed by two second pressure parts 30b, the controller is used to control the liquid pump to individually deliver or stop delivering the processing fluid to each second pressure part 30b. When the processing tool processes one side of the workpiece 200, a second pressure part 30b relatively close to the processing tool stops spraying the processing fluid, while a second pressure part 30b relatively far from the processing tool sprays the processing fluid; when the processing tool processes the center of the workpiece 200, the controller causes the two second pressure parts 30b to spray the processing fluid together.
[0091] For another example, when the workpiece 200 is fixed by multiple first pressure parts 30a and multiple second pressure parts 30b, the controller is used to control the liquid pump to individually deliver or stop delivering processing fluid to each first pressure part 30a and each second pressure part 30b. When the processing tool processes one side of the workpiece 200, the first pressure part 30a and the second pressure part 30b relatively close to the processing tool stop spraying the processing fluid, while the first pressure part 30a and the second pressure part 30b relatively far from the processing tool spray the processing fluid; when the processing tool processes the center of the workpiece 200, the controller causes all the first pressure parts 30a and the second pressure parts 30b to spray the processing fluid together.
[0092] In addition, by individually controlling each pressure head 30 to deliver or stop delivering the processing fluid through the controller, the adaptability of the fixture 100 can be improved, making the spraying more flexible and switchable according to different forms of the product. For example, when the machining tool only needs to process one side of the workpiece 200, the controller only needs to control the pressure head 30 relatively far from the machining tool to spray the processing fluid, while the pressure head 30 relatively close to the machining tool does not need to spray the processing fluid, thereby saving the use of the processing fluid.
[0093] In one embodiment of the present application, a processing device (not shown) is also provided. The processing device includes a processing module and a fixture 100 in any of the above embodiments. The processing module is used to process a workpiece 200. The fixture 100 is used to position the workpiece 200 and spray a processing fluid onto the workpiece 200 during processing, thereby achieving both positioning the workpiece 200 and spraying the processing fluid. No additional nozzles or auxiliary brackets are required, which reduces the occupied space in the processing equipment, facilitates the installation and use of the fixture 100, and further improves the processing efficiency.
[0094] In addition, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application and are not intended to be limiting of the present application. As long as they are within the spirit and scope of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.
Claims
1. A fixture, characterized in that: include: The bearing platform is provided with a positioning groove, and the positioning groove is used to position the workpiece; A guide pin, provided on one side of the bearing platform having the positioning groove; and A pressing head can move relative to the bearing platform, the pressing head is provided with a guide hole, the guide hole is used to accommodate the guide pin, so that the guide pin can guide the movement of the pressing head by contacting the hole wall of the guide hole, and the pressing head can move toward the bearing platform under the guidance of the guide pin until the workpiece is pressed to fix the workpiece to the bearing platform; The guide pin is provided with an infusion hole, and the pressure head is also provided with a spray hole connected to the guide hole. When the pressure head fixes the workpiece, the guide pin is located in the guide hole, and the spray hole is connected to the infusion hole through the guide hole. The infusion hole is used for supplying processing fluid to flow into the spray hole. The spray hole is located above the supporting platform, and the spray hole is used for supplying the processing fluid to spray onto the workpiece.
2. The fixture according to claim 1, characterized in that: The pressure head includes a first pressure-applying portion, which is provided with a avoidance groove. The first pressure-applying portion forms an avoidance space in the avoidance groove, and the avoidance space is used to expose an area of the workpiece close to an edge. The first pressure-applying portion has a first pressure-applying surface, a first side surface and a second side surface that are vertically arranged. The avoidance groove is arranged between the first side surface and the second side surface and passes through the first pressure-applying surface. The area of the first pressure-applying surface close to the avoidance groove is used to apply pressure to the workpiece, and the spray hole passes through the first side surface, the second side surface and the groove surface of the avoidance groove.
3. The fixture according to claim 1, characterized in that: The pressure head includes a second pressure portion, the second pressure portion has a second pressure surface and a third side surface connected to each other, an edge is formed between the second pressure surface and the third side surface, the area of the second pressure surface close to the edge is used to pressurize the workpiece, and the spray hole passes through the third side surface.
4. The fixture according to claim 1, characterized in that: The pressure head forms an upper plane, a lower plane, a first side hole surface and a second side hole surface on the hole wall of the spray hole, a first angle is defined between the upper plane and the lower plane, the first angle causes the height of the spray hole to gradually increase from inside to outside, a second angle is defined between the first side hole surface and the second side hole surface, the second angle causes the width of the spray hole to gradually increase from inside to outside.
5. The fixture according to claim 1, characterized in that: The guide pin includes a first section and a second section connected to each other, the infusion hole passes through the opposite ends of the first section and the second section, the second section is used to connect to the supporting platform, the radial dimension of the first section is the same as the radial dimension of the guide hole, the guide hole is used to accommodate the first section, the first section is used to guide the movement of the pressure head, the radial dimension of the first section is smaller than the radial dimension of the second section, so that the second section is connected to one end of the first section to form a stop surface, and the stop surface is used to prevent the pressure head from moving toward the supporting platform to limit the moving distance of the pressure head.
6. The fixture according to claim 1, characterized in that: The fixture further includes a driver, which can drive the pressure head to first rise and then rotate relative to the carrier platform, so that the pressure head can send the workpiece away and disengage from the guide pin after rising, and can move away from the carrier platform after rotating; The driver can also drive the pressure head to rotate first and then descend relative to the supporting platform. After the pressure head rotates, the guide hole can be aligned with the guide pin. After the pressure head descends, the guide pin can enter the guide hole to guide the pressure head until the pressure head contacts the workpiece and connects the infusion hole to the spray hole.
7. The fixture according to claim 6, characterized in that: The fixture also includes a liquid pump and a controller. The liquid pump is connected to the infusion hole and is used to deliver the processing fluid to the infusion hole. The controller can transmit signals to the liquid pump and the driver. The controller is used to control the liquid pump to deliver the processing fluid after the pressure head fixes the workpiece, and is also used to control the liquid pump to stop when the pressure head releases the workpiece.
8. The fixture according to claim 2, characterized in that: The outer contour of the workpiece is rectangular, and the workpiece is fixed to the supporting platform by four first pressure parts, and the four first pressure parts are used to press down the four corners of the workpiece respectively. The spray hole of each first pressure part passes through the first side surface, the second side surface and the groove surface of the avoidance groove, and the spray range of the four spray holes can cover the workpiece when superimposed.
9. The fixture according to claim 3, characterized in that: The workpiece is fixed to the supporting platform by two second pressure parts, and the two second pressure parts are respectively used to press down two opposite long side edges of the workpiece. The two second pressure parts are arranged opposite to each other, and the spray hole of each second pressure part passes through the third side surface, and the width of the spray hole is the same as the width of the third side surface.
10. A processing equipment, characterized in that: The processing equipment includes a processing module and a jig as described in any one of claims 1 to 9, wherein the processing module is used to process the workpiece, and the jig is used to position the workpiece and spray the processing fluid onto the workpiece during processing.