Multifunctional clamping jig for linear cutting

Abstract

A multifunctional clamping jig for linear cutting comprises an L-shaped fixing seat, an L-shaped connecting seat and a positioning seat, a manual chuck is arranged on the L-shaped upper portion of the L-shaped fixing seat and connected with the L-shaped connecting seat in an inserted mode, a positioning column is arranged on the connecting face of the L-shaped connecting seat, a positioning groove is formed in the positioning seat, the positioning seat is positioned through the positioning groove in an inserted mode, and a positioning step is arranged at the front end of the positioning seat. A sliding groove is formed in the positioning step, a pair of sliding rails is arranged in the sliding groove, a locking block capable of being adjusted and fixed in a sliding mode is arranged in the middle of each sliding rail, a fixing block capable of being adjusted and fixed in a sliding mode is arranged on the sliding rails and located on the two sides of the locking blocks respectively, the surfaces of the sides, opposite to the locking blocks, of the fixing blocks are planes, and the side walls of the positioning step are also planes. A die workpiece is fixed and clamped through the positioning step, the fixing block and the locking block so as to be positioned. Square and round die workpieces can be rapidly clamped and positioned, the L-shaped connecting base can be turned over to achieve reversing machining, and the machining efficiency of the die workpieces is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire cutting machine processing, in particular to a multifunctional clamping fixture for wire cutting. Background Art

[0002] In the field of mold precision manufacturing, wire cutting processing uses traditional clamping methods such as vises, universal clamps or magnetic suction. When processing small workpieces such as inserts, lifters, and ejectors, the clamping efficiency and processing accuracy are obviously insufficient.

[0003] The existing clamping jigs have the following main problems: the workpiece is not convenient to clamp, and it is easy to interfere with the jig during the processing; the workpiece needs to be repeatedly clamped and fixed for multiple processing, which is inefficient, cumbersome and labor-intensive; the round workpiece is easy to loosen when clamped with a magnetic suction tool, resulting in precision deviation. Therefore, in order to give full play to the processing efficiency of the equipment, it is necessary to design a jig for processing small workpieces, quickly clamp and position the workpiece, and improve the processing accuracy at the same time. Utility Model Content

[0004] The utility model provides a multifunctional clamping fixture for wire cutting, which aims to solve the problem of low clamping efficiency and processing precision when processing products online, especially small workpieces such as inserts, bevel ejectors and ejector pins.

[0005] In view of this, the technical solution provided by the utility model is: a multifunctional clamping fixture for wire cutting, including an L-shaped fixing seat, an L-shaped connecting seat, and a positioning seat. The L-shaped upper part of the L-shaped fixing seat is provided with a manual chuck plug-in connected to the L-shaped connecting seat. The L-shaped connecting seat includes a connecting surface located on the inner side of the L-shape, a positioning column is provided on the connecting surface, and a positioning groove corresponding to the positioning column is provided on the positioning seat. The positioning seat is adjustably plugged and positioned on the upper part of the connecting surface through the positioning groove. The positioning seat has a falling positioning step at its front end, and a sliding groove is provided on the surface of the positioning step. The sliding groove is located on the positioning platform The step passes through in the length direction of the step, a pair of slide rails protruding from the groove wall of the slide groove are arranged inside the slide groove, a locking block that can be slidably adjusted and fixed is arranged in the middle of the slide rail, and a fixed block that can be slidably adjusted and fixed is arranged on both sides of the locking block. The locking block and the fixed block both protrude from the upper part of the positioning step, the surface of the fixing block on the opposite side of the locking block is a plane setting, and the side wall of the positioning step is also a plane setting, the mold workpiece is against the side wall of the positioning step through the plane, and is fixedly clamped between the planes on the opposite side of the fixing block and the locking block to be positioned on the positioning seat.

[0006] Furthermore, the positioning column is a dovetail column, and the positioning groove is a dovetail groove. The positioning seat is positioned on the L-shaped connecting seat through the dovetail groove, so that the positioning seat can be better positioned on the L-shaped connecting seat.

[0007] Furthermore, a V-shaped groove parallel to the slide groove is provided at the bottom of the positioning seat, and the V-shaped groove runs through both sides of the positioning seat, and bolt holes for adjusting and fixing are provided on both sides of the positioning groove, and adjusting bolts are provided in the bolt holes, and an adjustable adjustment space for positioning a circular workpiece is formed between the V-shaped groove and the connecting surface by means of the adjusting bolts. By setting the V-shaped groove and the adjustment setting of the adjustable bolt, and utilizing the adjustment space between the V-shaped groove and the connecting surface, a circular workpiece such as a mold ejector pin or an inlay pin is placed between the V-shaped groove and the connecting surface, and is adjusted and pressed by the adjusting bolts, thereby realizing the positioning of the circular mold workpiece.

[0008] Furthermore, a pair of first threading holes for the wire cutting wire to pass through are provided on the side wall of the positioning step, and a second threading hole corresponding to the first threading hole is provided on the L-shaped connecting seat. Then, the wire cutting wire passes through the first threading hole and the second threading hole to perform wire cutting processing on the mold workpiece fixed between the fixing block and the locking block.

[0009] Furthermore, a slot is provided on the outer wall of the L-shaped connecting seat, and a clamping column corresponding to the slot is provided on the manual chuck. The L-shaped connecting seat is clamped on the clamping column through the slot to realize the positioning connection of the L-shaped connecting seat on the L-shaped fixing seat.

[0010] Furthermore, the outer wall of the L-shaped connector is provided with a plug-in slot, the manual chuck is provided with a plug-in column corresponding to the plug-in slot, and the plug-in column is longer than the clamping column. When the L-shaped connector is clamped to the clamping column through the clamping slot, the plug-in column is pre-inserted into the plug-in slot to achieve pre-positioning, and then the clamping column is clamped into the clamping slot to be completely fixed.

[0011] Furthermore, a spring sheet is provided on the outer wall surface of the L-shaped connection seat, the spring sheet is provided with a first clearance hole corresponding to the clamping column, and the spring sheet is provided with a second clearance hole corresponding to the plug-in column. When the L-shaped connection seat is clamped to the clamping column through the clamping slot, the spring sheet can effectively provide a clamping buffer.

[0012] Furthermore, there are four card slots, which are arranged in a square pattern, and there are four plugging slots, which are arranged in a square pattern. Through the card slots arranged in a square pattern and the plugging slots arranged in a square pattern, the L-shaped connecting seat is plugged and fixed with the L-shaped fixing seat by rotating the direction, so that the direction of the mold workpiece positioned on the positioning step is rotated by rotating the L-shaped connecting seat, thereby realizing the wire cutting processing in the vertical direction of the mold workpiece.

[0013] Furthermore, the locking block and the fixing block are both rectangular parallelepiped, and the length of one side of the rectangular parallelepiped of the locking block and the fixing block is consistent with the width of the slide slot. In this way, when the locking block and the fixing block are slidably fixed on the slide rail, since the locking block and the fixing block can be well fitted on the groove wall of the slide slot for positioning, the shaking of the locking block or the fixing block is avoided during the wire cutting of the mold workpiece, thereby improving the wire cutting processing accuracy.

[0014] The utility model discloses that the clamping fixture can be placed on the processing platform of the wire cutting machine through the L-shaped fixing seat. The L-shaped fixing seat can be fixed by magnetic attraction or thread locking. The manual chuck is inserted and the clamping column is plugged into the L-shaped connecting seat. The manual chuck is used to rotate the handle of the manual chuck so that the clamping column is clamped in the clamping groove of the L-shaped connecting seat to achieve complete fixation.

[0015] According to the utility model, a square mold workpiece can be fixed on the positioning step by means of a locking block and a fixing block. The square mold workpiece is pressed against the plane of the side wall of the positioning step, and the positioning of the square mold workpiece is achieved by using the plane of the locking block and the fixing block to press and fix the workpiece. The positioning of the square mold workpiece is convenient and fast, and the workpiece will not shake during the processing, which greatly improves the processing accuracy of the wire cutting processing.

[0016] The utility model uses a locking block and two fixing blocks to simultaneously position two square mold workpieces on the positioning step, which is beneficial to improving the processing efficiency of wire cutting processing after the positioning of the clamping fixture.

[0017] The utility model can adjust the distance between the L-shaped connecting seats to clamp the circular mold workpiece between the V-shaped groove and the connecting surface, and lock and fix it with the adjusting screw, thereby realizing rapid positioning processing of the circular mold workpiece.

[0018] The utility model can also realize reversal processing of the positioned mold workpiece without disassembly by rotating the plugging direction of the L-shaped connecting seat, thereby greatly improving the processing efficiency of the mold workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the three-dimensional exploded structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the L-shaped connecting seat flip clamping fixture.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of an L-shaped fixing seat connected to a manual chuck.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the L-shaped connecting seat.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the positioning seat.

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure of the shrapnel.

[0026] Among them: 1-L-type fixing seat, 2-manual chuck, 21-clamping column, 22-insertion column, 3-L-type connecting seat, 31-connecting surface, 32-positioning column, 33-second threading hole, 34-threaded connecting hole, 35-card slot, 36-insertion slot, 4-positioning seat, 41-positioning slot, 42-positioning step, 43-slide slot, 44-slide rail, 45-V-shaped slot, 46-bolt hole, 47-first threading hole, 5-fixing block, 51-first fixing surface, 6-locking block, 61-second fixing surface, 7-spring, 71-first make way hole, 72-second make way hole, 8-adjusting bolt, 9-fixing screw. DETAILED DESCRIPTION

[0027] The following is a brief description of the implementation of the present utility model in conjunction with the accompanying drawings.

[0028] A multifunctional clamping fixture for wire cutting, refer to 1- Figure 3 , including an L-shaped fixing seat 1, an L-shaped connecting seat 3, and a positioning seat 4. The L-shaped upper part of the L-shaped fixing seat 1 is provided with a manual chuck 2 and connected with the L-shaped connecting seat 3 by plugging. Figure 5 The L-shaped connection seat 3 includes a connection surface 31 located inside the L-shape, and a positioning column 32 is provided on the connection surface 31. Figure 6The positioning seat 4 is provided with a positioning groove 41 corresponding to the positioning column 32, and the positioning column 32 and the positioning groove 41 cooperate to realize the movable connection between the L-shaped connecting seat 3 and the positioning seat 4. In order to improve the connection accuracy between them, the positioning column 32 is a dovetail column, and the positioning groove 41 is a dovetail groove. The plug-in cooperation of the positioning column 32 of the dovetail column and the positioning groove 41 of the dovetail groove is used to avoid the shaking after the plug-in connection between them. The front end of the positioning seat 4 is provided with a falling positioning step 42, and the surface of the positioning step 42 is provided with a slide groove 43. The slide groove 43 penetrates in the length direction of the positioning step 42. A pair of slide rails 44 protruding from the groove wall of the slide groove 43 are arranged inside the slide groove 43. A slidable and adjustable locking block 6 is provided in the middle of the slide rail 44. A slidable and adjustable fixed fixing block 5 is respectively provided on both sides of the locking block 6. The locking block 6 and the fixing block 5 both protrude from the positioning At the upper part of the step 42, the surface on the opposite side of the fixed block 5 and the locking block 6 is plane-set, the upper opposite plane of the fixed block 5 constitutes a first fixed surface 51 for positioning the mold workpiece, and the opposite plane of the locking block 6 constitutes a second fixed surface 61 for positioning the mold workpiece, the side wall of the positioning step 42 is also plane-set, the mold workpiece is abutted against the side wall of the positioning step 42 through the plane, and is fixedly clamped between the first fixed surface 51 of the fixed block 5 and the second fixed surface 61 of the locking block 6, thereby realizing the positioning of the mold workpiece on the positioning seat 4, a pair of first threading holes 47 for the wire cutting wire to pass through are provided on the side wall of the positioning step 42, and a second threading hole 33 corresponding to the first threading hole 47 is provided on the L-shaped connecting seat 3, and the wire cutting wire passes through the first threading hole 47 and the second threading hole 33 to perform wire cutting processing on the mold workpiece fixed between the fixed block 5 and the locking block 6.

[0029] In a preferred embodiment, the locking block 6 and the fixing block 5 are both rectangular parallelepiped, and the length of one side of the rectangular parallelepiped of the locking block 6 and the fixing block 5 is consistent with the width of the slide groove 43. When the locking block 6 and the fixing block 5 are slidably fixed on the slide rail 44, since the locking block 6 and the fixing block 5 can be well fitted on the groove wall of the slide groove 43 for positioning, the shaking of the locking block 6 or the fixing block 5 is avoided during the wire cutting of the mold workpiece, thereby improving the wire cutting processing accuracy. Among them, the locking block 6 and the fixing block 5 can be adjusted and fixed on the slide rail 44 by fixing screws 9.

[0030] In a preferred embodiment, a V-shaped groove 45 parallel to the slide groove 43 is provided at the bottom of the positioning seat 4, and the V-shaped groove 45 runs through both sides of the positioning seat 4, and bolt holes 46 for adjustment and fixation are provided on both sides of the positioning groove 41, and an adjusting bolt 8 is provided in the bolt hole 46, and the adjusting bolt 8 is threadedly connected and fixed through the bolt hole 46 and the threaded connection hole 34 of the L-shaped connecting seat 3, and the depth and position are locked by adjusting the screw 8. An adjustable adjustment space for positioning a circular workpiece is formed between the V-shaped groove 45 and the connecting surface 31. By utilizing the adjustment space between the V-shaped groove 45 and the connecting surface 31, a circular workpiece such as a mold ejector pin or an inlay pin is placed between the V-shaped groove 45 and the connecting surface 31, and adjusted and pressed by the adjusting bolt 8, thereby realizing the positioning of the circular mold workpiece, and broadening the application range of the clamping fixture.

[0031] In this embodiment, a card slot 35 and a plug slot 36 are provided on the outer wall of the L-shaped connecting seat 3. Figure 4 The manual chuck 2 is provided with a clamping column 21 corresponding to the clamping slot 35, and the manual chuck 2 is provided with a plug-in column 22 corresponding to the plug-in slot 36, wherein the plug-in column 22 is longer than the clamping column 21. During the process of the L-shaped connecting seat 3 being clamped in the clamping column 21 through the clamping slot 35, the plug-in column 22 is pre-inserted into the plug-in slot 36 to achieve pre-positioning, and then the clamping column 21 is clamped in the clamping slot 35 to be completely fixed. In order to better realize the fixed plugging of the L-shaped connecting seat 3 in the manual chuck 2, a spring sheet 7 is provided on the outer wall surface of the L-shaped connecting seat. Figure 7 The spring piece 7 is provided with a first clearance hole 71 corresponding to the clamping column 21, and the spring piece 7 is provided with a second clearance hole 72 corresponding to the plug-in column 22. In the process of the L-shaped connecting seat 3 being clamped on the clamping column 21 through the clamping groove 35, the spring piece 7 can effectively provide clamping buffer. Generally, the manual chuck 2 is an Erowa rotating manual clamping turntable. After the manual chuck 2 is inserted and positioned on the L-shaped connecting seat 3, the handle is rotated to realize that the clamping column 21 is clamped in the clamping groove 35.

[0032] In a preferred embodiment, there are four card slots 35 on the L-shaped connecting seat 3, and the four card slots 35 are arranged in a square, and there are four plug-in slots 36, and the four plug-in slots 36 are arranged in a square. Through the square-arranged card slots 35 and the square-arranged plug-in slots 36, the L-shaped connecting seat 3 can also be plugged and fixed in the L-shaped fixing seat 1 after rotating in the direction, referring to Figure 3 By rotating the L-shaped connecting seat 3, the direction of the mold workpiece positioned on the positioning step 42 is rotated to realize wire cutting processing in the vertical direction of the mold workpiece. By rotating the plug-in direction of the L-shaped connecting seat 3, the positioned mold workpiece can be reversingly processed without disassembly, which greatly improves the processing efficiency of the mold workpiece.

[0033] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A multifunctional clamping fixture for wire cutting, comprising an L-shaped fixing seat, an L-shaped connecting seat, and a positioning seat, wherein the L-shaped upper part of the L-shaped fixing seat is provided with a manual chuck connected with the L-shaped connecting seat by plugging, characterized in that: The L-shaped connecting seat comprises a connecting surface located on the inner side of the L-shape, and a positioning column is provided on the positioning seat, and a positioning groove corresponding to the positioning column is opened on the positioning seat, and the positioning seat is adjustably inserted and positioned on the upper part of the connecting surface through the positioning groove, and the positioning seat has a falling positioning step at its front end, and the positioning step has a sliding groove on its surface, and the sliding groove passes through the length direction of the positioning step, and a pair of slide rails protruding from the groove wall of the slide rail are arranged inside the slide groove, and a locking block that can be slidably adjusted and fixed is arranged in the middle of the slide rail, and the slide rail is respectively provided with a fixed block that can be slidably adjusted and fixed on both sides of the locking block, and the locking block and the fixed block both protrude from the upper part of the positioning step, and the surface of the opposite side of the fixing block and the locking block is a plane setting, and the side wall of the positioning step is also a plane setting, and the mold workpiece is against the side wall of the positioning step through the plane, and is fixedly clamped between the planes on the opposite side of the fixing block and the locking block to be positioned on the positioning seat.

2. According to claim 1, a multifunctional wire cutting fixture is characterized by: The positioning column is a dovetail column, and the positioning groove is a dovetail groove.

3. According to claim 1, a multifunctional wire cutting fixture is characterized by: Bolt holes for adjusting and fixing are arranged on both sides of the positioning groove, and adjusting bolts are arranged in the bolt holes.

4. According to claim 1, a multifunctional wire cutting fixture is characterized by: A V-shaped groove parallel to the slide groove is provided at the bottom of the positioning seat, and the V-shaped groove runs through both sides of the positioning seat, and a circular workpiece is positioned by means of the space formed between the V-shaped groove and the connecting surface.

5. According to claim 1, a multifunctional wire cutting fixture is characterized by: A pair of first wire-threading holes for the wire cutting wire to pass through are formed on the side wall of the positioning step, and a second wire-threading hole corresponding to the first wire-threading holes is formed on the L-shaped connecting seat.

6. The multifunctional wire cutting fixture according to claim 1, characterized in that: A clamping groove is provided on the outer wall of the L-shaped connecting seat, and a clamping column corresponding to the clamping groove is provided on the manual chuck. The L-shaped connecting seat is clamped on the clamping column through the clamping groove to realize the positioning connection of the L-shaped connecting seat on the L-shaped fixing seat.

7. The multifunctional wire cutting fixture according to claim 6, characterized in that: An inserting groove is arranged on the outer wall of the L-shaped connecting seat, and an inserting column corresponding to the inserting groove is arranged on the manual chuck, and the length of the inserting column is longer than the clamping column.

8. The multifunctional wire cutting fixture according to claim 7, characterized in that: An elastic sheet is arranged on the outer wall surface of the L-shaped connecting seat, and the elastic sheet is provided with a first clearance hole corresponding to the clamping column, and the elastic sheet is provided with a second clearance hole corresponding to the plug column.

9. The multifunctional wire cutting fixture according to claim 7, characterized in that: There are four card slots, which are arranged in a square shape; there are four plugging slots, which are arranged in a square shape.

10. The multifunctional wire cutting fixture according to claim 1, characterized in that: The locking block and the fixing block are both in the form of rectangular parallelepiped, and the length of one side of the rectangular parallelepiped of the locking block and the fixing block is consistent with the width of the sliding groove.

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