CN115741166B - CNC processing jig for caps - Google Patents
CNC processing jig for caps Download PDFInfo
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- CN115741166B CN115741166B CN202211564160.XA CN202211564160A CN115741166B CN 115741166 B CN115741166 B CN 115741166B CN 202211564160 A CN202211564160 A CN 202211564160A CN 115741166 B CN115741166 B CN 115741166B
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Abstract
The invention provides a CNC (computer numerical control) machining jig for caps, and belongs to the technical field of cap machining. The cap CNC processing tool includes: the two sides of the bottom of the main body are equidistantly provided with through grooves which are matched with the end face shape of the cap and are used for inserting the cap raw materials; first clamping plates slidably disposed on both sides of the main body portion in a width direction of the main body portion; and the second clamping plates are arranged in pairs in the width direction of the main body part, the outer side surfaces of the first clamping plates and the second clamping plates are equidistantly provided with inner grooves matched with the end surface shape of the cap, and the inner grooves of the first clamping plates are provided with inner supporting parts used for being inserted into the cap from the bottom and supporting the cap from inside to outside. The CNC machining jig for the caps can be simultaneously applied to two CNC working procedures of cap machining and used for clamping and fixing cap raw materials and semi-finished caps respectively, and the caps can be prevented from deforming.
Description
Technical Field
The invention relates to the technical field of cap machining, in particular to a cap CNC machining jig.
Background
When the ECG key and the key cap adopt titanium alloy strips as raw materials for processing, the processes of IQC incoming material inspection, CNC1, cleaning 1, CNC, cleaning 2, full inspection, sand blasting, PVC, full inspection, QQC, packaging box warehousing and the like are required, the strips become cap semi-finished products after the first CNC processing process, the process mainly carries out processing forming on the bottoms of the caps, the cap semi-finished products become cap finished products after the second CNC process, and the process mainly carries out processing forming on the tops of the cap semi-finished products.
In the two CNC processes, a jig is required to fix the cap raw material (strip) or the cap semi-finished product. In the first CNC step, since the cap material (strip) is a solid titanium alloy material, the cap material is clamped and fixed by a jig, and then the cap material itself has sufficient rigidity and hardness to maintain its external shape. In the second CNC procedure, as the semi-finished cap clamped by the jig is already provided with the groove body, the clamping force is very easy to control unreasonably to deform the semi-finished cap when the jig is operated to clamp and fix the semi-finished cap, and the defective rate is increased. Meanwhile, the operation difficulty of workers is increased, the volume of the semi-finished cap is small, and the semi-finished cap is inconvenient to operate when being clamped and fixed by the jig.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cap CNC processing jig which can be simultaneously applied to two CNC processes of cap processing for respectively clamping and fixing cap raw materials and cap semi-finished products and can prevent caps from deforming.
The technical scheme of the invention is realized as follows:
a cap CNC machining jig, comprising:
the main body part is prefabricated to be matched with the triaxial base and fixed by the triaxial base, and through grooves which are matched with the end face shape of the cap and are used for inserting the cap raw material are formed in the two sides of the bottom of the main body part at equal intervals;
first clamping plates slidably disposed on both sides of the main body portion in a width direction of the main body portion;
the second clamping plates are arranged in pairs in the width direction of the main body part, the outer side surfaces of the first clamping plates and the second clamping plates are equidistantly provided with inner grooves matched with the end surface shape of the cap, and the inner grooves of the first clamping plates are internally provided with inner supporting parts for being inserted into the cap from the bottom and supporting the cap from inside to outside;
the positioning block is detachably arranged on two sides of the main body part through a fastener, an outer groove capable of being matched with the inner groove to clamp and fix the cap/cap raw material from inside and outside is formed in the inner side surface of the positioning block, and the first clamping plate and the second clamping plate are matched with the positioning block to fix the cap/cap raw material when the inner groove on the first clamping plate and the second clamping plate are in a position in which the inner groove is in a centering state with the through groove.
Further, when the second clamping plate is positioned at the position where the inner groove is aligned with the through groove, the first clamping plate is clamped and fixed by the second clamping plate and the main body part, and the second clamping plate is in a transverse state by moving to the top of the main body part, so that a space is provided for the first clamping plate to move to the position where the inner groove is aligned with the through groove.
Further, the inner surface of the second clamping plate is provided with an inner convex part extending inwards in a region between two adjacent inner grooves on the first clamping plate, an auxiliary groove is formed between the two adjacent inner convex parts, when the cap is supported by the inner supporting part, the top end of the cap is positioned at the same height as the inner top wall of the auxiliary groove of the first clamping plate when the cap is in a transverse state, and the inner convex part is supported at the top of the main body part.
Further, the two ends of the main body part are respectively provided with a support plate corresponding to the second clamping plates on two sides of the main body part, the inner side ends of the support plates are rotatably supported on the main body part, and the outer side ends of the support plates are in sliding fit with the second clamping plates.
Further, be provided with the spout that is "L" shape on the medial surface of extension board, the slip is provided with the slider in the spout, and the fixed tip that sets up at the second splint of slider, wherein, when the second splint is located the indent on it and leads to the groove centering state, the extension board is the horizontal state, and the slider is located the outside end of spout, and when the second splint is located the top of main part, the extension board is vertical state, and the slider makes the second splint leave the top of the first splint of indent and logical groove centering state through translation to the inboard end of spout.
Further, the end portion of the second clamping plate is provided with an outer top member, and the outer top member is arranged to drive the first clamping plate to displace outwardly in the width direction of the main body portion to a state in which the inner groove and the through groove on the first clamping plate are aligned in the process that the clamping plate rotates to the vertical state.
Further, the outer top part comprises a rack fixedly arranged at the end part of the first clamping plate and a gear fixedly arranged on the support plate and coaxially rotating with the support plate, and the gear can be meshed with the rack.
Further, the inner side surface of the second clamping plate is fixedly provided with a guide rod, the main body part is provided with a guide groove for the guide rod to insert and slide in, and a spring is arranged in the guide groove.
Further, the internal stay part includes the casing, the middle part supporting part of setting on the casing at the direction of height displaceable, slides and sets up the side direction supporting part in middle part supporting part both sides and sets up the drive structure that is used for driving middle part supporting part lift on the casing, wherein: the middle support part enables the two lateral support parts to be folded or unfolded through ascending or descending, and the lateral support parts are in a state of being capable of being inserted into the cap from the bottom of the cap to be in contact with the inner top wall of the cap when in a folded state.
Further, the driving structure comprises a driving block and a driving rod, the driving rod is arranged in the shell in a lifting sliding mode, the driving block is arranged at the bottom of the driving rod in the lateral direction and is arranged on the shell in a sliding mode, and the driving block enables the driving rod to push up the middle supporting part through displacement in the shell.
The invention has the following beneficial effects:
1. the cap CNC machining jig can be suitable for two CNC machining processes in the cap CNC machining process in a state switching mode, and has the effect of preventing the cap from being extruded and deformed through the arranged inner support component when the semi-finished cap is fixed in the second CNC machining process.
2. When the cap CNC machining jig clamps the cap semi-finished product before the second CNC machining, the inner supporting component is supported on the cap semi-finished product from the bottom in the process of placing the cap semi-finished product on the inner groove on the first clamping plate, and the top height of the cap semi-finished product is a preset height, so that the operation is simpler, more convenient and better than the operation of manually controlling the height and placing the cap semi-finished product in the inner groove in the prior art.
Drawings
FIG. 1 is a schematic view of a CNC machining jig for caps according to the present invention applied to a first CNC process for clamping and fixing cap raw materials;
FIG. 2 is an enlarged view of the cap CNC machining jig of the present invention at A in FIG. 1;
FIG. 3 is an enlarged view of the cap CNC machining jig of FIG. 2 at B;
FIG. 4 is a schematic view of the CNC cap machining jig of the present invention applied to the second process for clamping the semi-finished product of the indefinite cap;
FIG. 5 is an enlarged view of the cap CNC machining jig of FIG. 4 at C;
FIG. 6 is an overall schematic diagram of a body portion of the cap CNC machining jig of the present invention with a first clamping plate and a second clamping plate;
fig. 7 is an overall schematic diagram of a first clamping plate and a second clamping plate of the cap CNC machining jig of the present invention.
FIG. 8 is a partially disassembled view of FIG. 7 of the cap CNC machining jig of the present invention;
FIG. 9 is an overall schematic diagram of an inner support member of the CNC machining jig for caps according to the present invention in an expanded state;
FIG. 10 is another view of FIG. 9 of the cap CNC machining fixture of the present invention;
FIG. 11 is a cross-sectional view of the inner support member of FIG. 10 of the cap CNC machining jig of the present invention;
FIG. 12 is an overall schematic view of the inner support member of the CNC machining jig for caps of the present invention in a collapsed state;
FIG. 13 is a cross-sectional view of the inner support member of FIG. 13 of the cap CNC machining jig of the present invention;
FIG. 14 is a schematic view of a guide slot on a body portion of a cap CNC machining jig of the present invention;
FIG. 15 is a schematic view of an outer groove on a positioning block of a CNC machining jig for caps according to the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 15, the CNC processing tool for a cap according to the embodiment of the present invention mainly includes a triaxial base 2, a main body portion 1, a first clamping plate 4, a second clamping plate 5, an inner supporting component 7 and a positioning block 8.
The main body part 1 is prefabricated to be matched with the triaxial base 2 and fixed by the triaxial base 2, and the main body part 1 is used as the CNC machining jig for the caps to clamp the main body part 1 of the cap raw material and the semi-finished product of the caps.
The first clamping plates 4 are slidably provided on both sides of the main body portion 1 in the width direction of the main body portion 1. The second clamping plates 5 are provided in pairs two in the width direction of the main body portion 1. The outer side surfaces of the first clamping plate 4 and the second clamping plate 5 are equidistantly provided with inner grooves 6 which are matched with the end surface shape of the cap, and inner supporting parts 7 for being inserted into the cap from the bottom and supporting the cap from inside to outside are arranged in the inner grooves 6 of the first clamping plate 4.
Specifically, the first clamping plate 4 and the second clamping plate 5 are used for clamping the semi-finished cap and the cap raw material practically, and are matched with the positioning block 8 to fix the semi-finished cap and the cap raw material.
The positioning block 8 is detachably arranged on two sides of the main body part 1 through the fastener 9, and the inner side surface of the positioning block 8 is provided with an outer groove 10 which can be matched with the inner groove 6 to clamp and fix the semi-finished cap/cap raw material from outside. In this embodiment, the fastener 9 is a screw.
Wherein, the both sides equidistance of main part 1 bottom is offered and is used for cap raw materials male logical groove 3 with cap terminal surface shape looks adaptation, and the first splint 4 and the second splint 5 cooperate locating piece 8 fixed cap raw materials when being in the inner groove 6 on it and logical groove 3 centering position.
The cap CNC processing jig in this embodiment has a first clamping state and a second clamping state through the cooperation of the first clamping plate 4 and the second clamping plate 5 with the positioning block 8, respectively, wherein the first clamping state is used when CNC processing is performed on a cap semi-finished product, and the second clamping state is used when CNC processing is performed on a cap raw material to prepare the cap semi-finished product.
At this time, the cap CNC machining jig can be adjusted to switch between the first state and the second state by switching the first clamping plate 4 and the second clamping plate 5, so that the dual application function of the cap CNC machining jig can be better realized.
Specifically, when the cap CNC machining jig is in the first state and the second state, the inner groove 6 on the first clamping plate 4 and the inner groove 6 on the second clamping plate 5 are respectively aligned with the through groove 3. That is, by taking the through groove 3 as a reference, the positions of the first clamping plate 4 and the second clamping plate 5 on the main body part 1 are adjusted so that the inner grooves 6 on the first clamping plate and the second clamping plate are respectively aligned with the through groove 3 to realize the switching of the cap CNC machining jig between the first state and the second state.
When the cap CNC machining jig is applied to machining a cap semi-finished product in the first state, the inner support member 7 supports the cap semi-finished product after being inserted into the cap from the bottom and from the inside to the outside. At this time, the first clamping plate 4 and the positioning block 8 are matched to clamp and fix the semi-finished cap product from the outer side, so that the stability of the semi-finished cap product can be improved, and the inner supporting part 7 is utilized to support the semi-finished cap product from the inner side to the outer side, so that the deformation of the semi-finished cap product can be prevented, and the processing effect and the yield of the final cap are improved.
Wherein in the embodiment of the invention the inner support part 7 comprises a housing 7.1, a middle support 7.2, lateral supports 7.3 and a driving structure 7.4. The housing 7.1 is arranged in a structure with an end face adapted to the through groove 3 and is detachably fixed in an inner groove 6 on the first clamping plate 4, the middle supporting part 7.2 is arranged in the middle of the housing 7.1 in the range of the end face of the housing 7.1, and the middle supporting part 7.2 is arranged on the housing 7.1 in a height direction in a displaceable manner. The lateral supporting parts 7.3 are arranged in two, the two lateral supporting parts 7.3 are arranged on two sides of the shell 7.1 in a sliding mode, the driving supporting parts are arranged on the shell 7.1 and used for driving the middle supporting part 7.2 to lift on the shell 7.1.
The lateral support portions 7.3 have a folded state and an unfolded state, and when the middle support portion 7.2 is located at the lowest position on the housing 7.1, the two lateral support portions 7.3 are in the folded state, and when the middle support portion 7.2 rises on the housing 7.1, the two lateral support portions 7.3 are switched from the folded state to the unfolded state. Meanwhile, when the two lateral support parts 7.3 are in a folded state, the cap semi-finished product is reversely buckled to the top of the cap semi-finished product, so that the lateral support parts 7.3 in the folded state are inserted into the cap semi-finished product from the bottom of the cap semi-finished product and contact with the inner top wall of the cap semi-finished product, and at the moment, the lateral support parts 7.3 support the cap semi-finished product from bottom to top. Then, in the process of lifting the middle supporting part 7.2, the two lateral supporting parts 7.3 can laterally displace on the middle supporting part 7.2, so that the semi-finished product of the cap is laterally supported by the lateral supporting parts 7.3 from inside to outside, and further the inner and outer clamping and fixing of the semi-finished product of the cap are realized by matching the first clamping plate 4 and the positioning block 8.
Further, the driving structure 7.4 includes a driving block and a driving rod, the driving rod is arranged in the housing 7.1 in a liftable sliding manner, the driving block is arranged in a lateral direction of the bottom of the driving rod and is arranged on the housing 7.1 in a sliding manner, and the driving block makes the driving rod push up the middle supporting portion 7.2 through displacement in the housing 7.1.
Specifically, the bottom of the driving rod is provided with an inclined surface, the top end of the driving block facing the driving rod side is provided with an inclined surface matched with the bottom of the driving rod, and the outer side end of the driving block extends out of the shell 7.1. At this time, when the driving block is displaced into the housing 7.1 by an external-to-internal force, the driving block pushes up the driving rod so that the driving rod is lifted up and pushes up the middle supporting portion 7.2.
In this embodiment, the first clamping plate 4 and the second clamping plate 5 can both be displaced on the main body portion 1 to a position where the inner grooves 6 of the two are aligned with the through grooves 3, and when the second clamping plate 5 is located at a position where the inner grooves 6 of the two are aligned with the through grooves 3, the first clamping plate 4 is clamped and fixed by the main body portion 1 of the second clamping plate 5. At this time, the inner and outer sides of the first clamping plate 4 are respectively contacted with the opposite sides of the main body part 1 and the second clamping plate 5.
Therefore, in the present embodiment, when the cap CNC machining jig is in the second state, the second clamping plate 5 is fixed to the first clamping plate 4 in cooperation with the main body portion 1. In the process of switching the CNC machining jig for the cap from the second state to the first state, the second clamping plate 5 moves to the top of the main body part 1 to be in a transverse state, so that the first clamping plate 4 moves outwards in the width direction of the main body part 1 to provide space for the centering position of the inner groove 6 and the through groove 3 on the first clamping plate 4.
Further, the inner surface of the second clamping plate 5 extends inward to form an inner protrusion 5.1 corresponding to the area between two adjacent inner grooves 6 on the first clamping plate 4, an auxiliary groove 5.2 is formed between two adjacent inner protrusions 5.1, when the cap is supported by the inner supporting member 7, the top end of the cap is at the same height as the inner top wall of the auxiliary groove 5.2 of the first clamping plate 4 in the transverse state, and the inner protrusion 5.1 is supported on the top of the main body part 1.
In this embodiment, when the CNC processing jig for caps is in the second state, the auxiliary groove 5.2 is matched with the space formed by the inner groove 6 on the first clamping plate 4 to accommodate the inner supporting member 7, and the inner protrusion 5.1 is contacted with the first clamping plate 4 and matched with the main body part 1 to clamp and fix the first clamping plate 4, and meanwhile, the first clamping plate 4 is used for fixing the second clamping plate 5 by utilizing the reaction of force.
Further, the two ends of the main body portion 1 corresponding to the second clamping plates 5 on two sides thereof are respectively provided with a supporting plate 11, the inner side ends of the supporting plates 11 are rotatably supported on the main body portion 1, and the outer side ends of the supporting plates 11 are in sliding fit with the second clamping plates 5. Specifically, a chute 11.1 in an L shape is provided on the inner side surface of the support plate 11, a slide block 11.2 is slidably provided in the chute 11.1, and the slide block 11.2 is fixedly provided at the end of the second clamping plate 5, wherein when the inner groove 6 of the second clamping plate 5 is in a centering state with the through groove 3, the support plate 11 is in a transverse state, the slide block 11.2 is located at the outer side end of the chute 11.1, and when the second clamping plate 5 is located at the top of the main body part 1, the support plate 11 is in a vertical state, and the slide block 11.2 is translated to the inner side end of the chute 11.1 to enable the second clamping plate 5 to leave the upper side of the first clamping plate 4 in the centering state of the inner groove 6 and the through groove 3.
When the cap CNC machining jig is in the second state, the support plate 11 is in a transverse state, and the sliding block 11.2 is located at the outermost end of the sliding groove 11.1 in the support plate 11 in the second state. The sliding groove 11.1 is used for limiting the sliding block 11.2, the sliding block 11.2 is used for limiting the second clamping plate 5, and the second clamping plate 5 is limited and fixed in the width direction of the main body part 1 under the action of the main body part 1 and the first clamping plate 4.
When the cap CNC machining jig is switched from the second state to the first state:
step one, directly rotate the support plate 11 upwards, so that the second clamping plate 5 rotates upwards, and when the support plate 11 rotates 90 degrees and is in a vertical state, the second clamping plate 5 is in a horizontal state.
Step two, the second clamping plate 5 is moved downwards, so that the sliding block 11.2 moves to the lowest position of the sliding groove 11.1 in the state, at this time, the inner convex part 5.1 on the second clamping plate 5 contacts with the tops of the main body part 1 and the first clamping plate 4, and at this time, a gap matched with the distance of the semi-finished cap product which extends from the top of the first clamping plate 4 after being placed on the inner supporting part 7 is formed between the auxiliary groove 5.2 and the top of the inner groove 6 of the first clamping plate 4.
Step three, the second clamping plate 5 is displaced inwards in the width direction of the main body part 1, so that the sliding block 11.2 is displaced to the innermost end position of the sliding groove 11.1 in the state, and at the moment, the outer end of the second clamping plate 5 can be separated from the top of the first clamping plate 4.
Further, after the above arrangement is made, the second clamping plate 5 is supported at the bottom in the height direction on the one hand at the top of the main body portion 1 and the slider 11.2 is supported at the bottom of the slide groove 11.1 in this state while the slider 11.2 is in an eccentric state with respect to the rotation axis of the stay 11 on the inner side of the main body portion 1 in the width direction, while the third step is completed. Thus, an interlock is formed between the second clamping plate 5 and the stay 11 in this state.
Wherein the end of the second clamping plate 5 is provided with an outer top member 12, and the outer top member 12 is provided in a state in which the inner groove 6 on the first clamping plate 4 is aligned with the through groove 3, which is driven to displace outwardly in the width direction of the main body portion 1, in the process of rotating the supporting plate 11 to the vertical state.
The outer top part 12 comprises a rack 12.1 fixedly arranged at the end part of the first clamping plate 4 and a gear 12.2 fixedly arranged on the support plate 11 and coaxially rotating with the support plate 11, wherein the gear 12.2 can be meshed with the rack 12.1.
Specifically, in the present embodiment, in the initial stage of upward rotation of the support plate 11, the gear 12.2 follows the support plate 11 to rotate synchronously without engaging with the rack 12.1, and in the course of subsequent upward rotation of the support plate 11, the gear 12.2 drives the first clamping plate 4 to displace outwardly by engaging with the rack 12.1.
The guide rod 13 is fixedly arranged on the inner side surface of the second clamping plate 5, the guide groove 14 for the guide rod 13 to be inserted into and slide in is formed in the main body part 1, and the spring 15 is arranged in the guide groove 14.
The above-described embodiments of the present invention are further described below:
firstly, the working procedure of the cap is divided into two procedures, wherein the first procedure is to utilize cap raw materials to process a semi-finished product of the cap, and the second procedure is to utilize the semi-finished product of the cap to process a cap finished product. The CNC machining jig for the cap comprises a first state applied to the first process and a second state applied to the second process.
When the cap CNC machining jig is in the second state:
one of them, the second splint 5 is the state that its upper inner groove 6 is in centering with logical groove 3, extension board 11 is the horizontal state and slider 11.2 is located the outside end of spout 11.1 on the extension board 11, and first splint 4 is held by second splint 5 and main part 1 and is fixed, and first splint 4 is spacing fixed in vertical state by second splint 5 and slider 11.2.
Secondly, the bracket inserts the cap raw material into the through groove 3, and the positioning block 8 is mounted on the main body part 1 by using the fastener 9, so that the positioning block 8 is matched with the second clamping plate 5 to clamp and fix the cap raw material by using the inner groove 6 on the second clamping plate 5 and the outer groove 10 on the positioning block 8. While the cap raw material is fixed, the cap raw material further improves the stability of the second clamping plate 5 by utilizing the rigidity of the cap raw material and matching the positioning block 8 and the first clamping plate 4.
Thirdly, in the inner supporting part 7 located in the inner groove 6 of the first clamping plate 4, the driving block is located in the shell 7.1 under the action of the second clamping plate 5, and at this time, the driving rod makes the middle supporting part 7.2 located at the highest position on the shell 7.1 under the action of the driving block.
When the cap CNC machining jig is switched from the second state to the first state:
step one, the second clamping plate 5 is rotated upwards, so that the supporting plate 11 is rotated upwards by 90 degrees to be in a vertical state, and in the process, the gear 12.2 drives the second clamping plate 5 to displace outwards in the width direction of the main body part 1 through meshing with the gear rack 12.1. At this time, the guide bar 13 is displaced outwardly in the guide groove 14, the spring 15 is restored to the original state, the second clamping plate 5 is positioned above the main body portion 1 and is in a horizontally arranged state, and the outer side end of the second clamping plate 5 is positioned above the through groove 3.
At this time, the inner stay member 7 is restored to: the driving block moves to the outer side of the shell 7.1, the driving rod descends to the lowest position, the middle supporting part 7.2 descends to the lowest position, and the lateral supporting part 7.3 is in a folded state.
Step two, keeping the second clamping plate 5 at the highest position, inserting the semi-finished cap into the inner groove 6 of the first clamping plate 4 in an inverted state, and in the process, accommodating the lateral supporting part 7.3 in a folded state in the shell 7.1, wherein the edge of the notch at the bottom of the semi-finished cap is supported at the top of the shell 7.1.
And thirdly, the second clamping plate 5 is lowered until the inner convex part 5.1 contacts the top of the main body part 1, in the process, the inner top wall of the auxiliary groove 5.2 on the second clamping plate 5 in the state contacts the top of the semi-finished product of the cap, downward acting force is applied to the semi-finished product of the cap to match the shell 7.1 to realize the state of clamping the semi-finished product of the cap up and down, and simultaneously, the position of the semi-finished product of the cap is pre-calibrated in the height direction and the horizontal direction and the semi-finished product of the cap is pre-fixed by matching the side wall surface of the inner groove 6 on the first clamping plate 4.
And step four, connecting the positioning block 8 to the main body part 1 by using the fastener 9, wherein in the process that the main body part 1 clamps the semi-finished cap product in the width direction of the main body part 1 by using the outer groove 10 on the main body part to match with the inner groove 6 on the first clamping plate 4, the positioning block 8 enables the middle supporting part 7.2 to move upwards by using the outer top part 12, and the middle supporting part 7.2 firstly supports the lateral supporting part 7.3 to be inserted into the semi-finished cap product from bottom to top.
After the top of the lateral support 7.3 has contacted the top of the inner wall surface of the cap semi-finished product, the second clamping block is blocked at the top of the cap semi-finished product. As the middle support 7.2 continues to rise, the middle support 7.2 drives the two lateral supports 7.3 to displace to both sides in the horizontal direction. Finally, the two lateral support parts 7.3 are contacted with the inner side arms of the semi-finished cap product, and the top and two sides of the middle support part 7.2 are respectively contacted with the inner top wall and the inner side wall of the semi-finished cap product.
The positioning block 8 cooperates with the first clamping plate 4 to clamp the cap semi-finished product from the outside while the lateral support 7.3 is unfolded.
And fifthly, moving the second clamping plate 5 inwards in the width direction of the main body part 1, so that the outer side end of the second clamping plate 5 leaves from the upper part of the through groove 3, and exposing the semi-finished cap product is ensured. At this time, the second clamping plate 5 is matched with the main body part, the sliding block 11.2 and the sliding groove 11.1 to fix the support plate 11, and the support plate 11 is matched with the gear 12.2 and the rack 12.1 to fix the first clamping plate 4.
It should be noted that, in order to improve the stability of the cap CNC processing tool in the first state;
both ends at the top of the main body part 1 are provided with a base plate 16, the support plate 11 is rotatably installed on the base plate through a rotating shaft, the outer side end of the rotating shaft penetrates through the base plate, the end part of the outer side end of the rotating shaft is internally provided with a rectangular groove 17, a limiting rod 18 which can be inserted into the rectangular groove to limit the rotating shaft is arranged outside the base plate, and one side of the limiting rod is installed on the base plate through a fastening bolt 19.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. A cap CNC machining jig, comprising:
the main body part (1) is prefabricated to be matched with the triaxial base (2) and fixed by the triaxial base (2), and through grooves (3) which are matched with the end face shape of the cap and are used for inserting the cap raw material are formed in the two sides of the bottom of the main body part (1) at equal intervals;
a first clamping plate (4) which is slidably provided on both sides of the main body part (1) in the width direction of the main body part (1);
the second clamping plates (5) are arranged in pairs in the width direction of the main body part (1), the first clamping plates (4) and the outer side surfaces of the second clamping plates (5) are equidistantly provided with inner grooves (6) which are matched with the end surface shape of the cap, and the inner grooves (6) of the first clamping plates (4) are provided with inner supporting parts (7) which are used for being inserted into the cap from the bottom and supporting the cap from inside to outside;
the positioning blocks (8) are detachably arranged on two sides of the main body part (1) through fasteners (9), outer grooves (10) capable of being matched with the inner grooves (6) to clamp and fix the caps/cap raw materials from inside and outside are formed in the inner side surfaces of the positioning blocks (8), and the caps/cap raw materials are matched with the positioning blocks (8) when the inner grooves (6) on the first clamping plates (4) and the second clamping plates (5) are in a position in which the inner grooves (6) are in a centering state with the through grooves (3);
the inner support component (7) comprises a shell (7.1), a middle support part (7.2) which is arranged on the shell (7.1) and can be displaced in the height direction, lateral support parts (7.3) which are arranged on two sides of the middle support part (7.2) in a sliding manner, and a driving structure (7.4) which is arranged on the shell (7.1) and is used for driving the middle support part (7.2) to lift, wherein: the middle supporting part (7.2) enables the two lateral supporting parts (7.3) to be folded or unfolded through ascending or descending, and the lateral supporting parts (7.3) are in a state that the lateral supporting parts can be inserted into the inside of the cap from the bottom of the cap to contact the inner top wall of the cap when in a folded state.
2. The cap CNC machining jig according to claim 1, wherein when the second clamping plate (5) is positioned at a position where the inner groove (6) thereon is aligned with the through groove (3), the first clamping plate (4) is clamped and fixed by the second clamping plate (5) and the main body portion (1), and the second clamping plate (5) provides a space for the position where the inner groove (6) on which the first clamping plate (4) moves is aligned with the through groove (3) by moving to the top of the main body portion (1) in a horizontal state.
3. The CNC processing jig for caps according to claim 2, wherein the inner surface of the second clamping plate (5) is provided with an inward extending inner protrusion (5.1) corresponding to a region between two adjacent inner grooves (6) on the first clamping plate (4), an auxiliary groove (5.2) is formed between the two adjacent inner protrusions (5.1), when the caps are supported by the inner support member (7), the top ends thereof are positioned at the same level as the inner top wall of the auxiliary groove (5.2) of the first clamping plate (4) in the transverse state, and the inner protrusion (5.1) is supported at the top of the main body portion (1).
4. A cap CNC machining jig according to claim 3, wherein the two ends of the main body portion (1) are provided with support plates (11) corresponding to the second clamping plates (5) on both sides thereof, the inner ends of the support plates (11) are rotatably supported on the main body portion (1), and the outer ends of the support plates (11) are slidably fitted with the second clamping plates (5).
5. The cap CNC machining jig according to claim 4, wherein an L-shaped chute (11.1) is provided on an inner side surface of the support plate (11), a slide block (11.2) is slidably provided in the chute (11.1), and the slide block (11.2) is fixedly provided at an end portion of the second clamping plate (5), wherein the support plate (11) is in a horizontal state when the inner groove (6) of the second clamping plate (5) is in a centered state with the through groove (3), the slide block (11.2) is located at an outer side end of the chute (11.1), the support plate (11) is in a vertical state when the second clamping plate (5) is located at a top of the main body portion (1), and the slide block (11.2) is moved to an inner side end of the chute (11.1) by translation so that the second clamping plate (5) is away from above the first clamping plate (4) in the centered state with the inner groove (6) and the through groove (3).
6. The cap CNC machining jig according to claim 4, wherein the end portion of the second clamping plate (5) is provided with an outer top member (12), the outer top member (12) being arranged to drive the first clamping plate (4) to displace outwardly in the width direction of the main body portion (1) to a state in which the inner groove (6) thereon is aligned with the through groove (3) in the course of rotation of the support plate to the vertical state.
7. The cap CNC machining jig according to claim 6, wherein the outer top member (12) includes a rack (12.1) fixedly disposed at an end of the first clamping plate (4) and a gear (12.2) fixedly disposed on the support plate (11) and coaxially rotating with the support plate (11), and the gear (12.2) is engageable with the rack (12.1).
8. The cap CNC machining jig according to claim 6, wherein the second clamping plate (5) is fixedly provided with a guide rod (13), the main body portion (1) is provided with a guide groove (14) for the guide rod (13) to be inserted and slide inside, and a spring (15) is provided in the guide groove (14).
9. The cap CNC machining jig according to claim 1, wherein the driving structure (7.4) comprises a driving block and a driving rod, the driving rod is arranged in the housing (7.1) in a liftable sliding manner, the driving block is arranged at the bottom of the driving rod in a lateral direction and is arranged on the housing (7.1) in a sliding manner, and the driving block enables the driving rod to push up the middle supporting part (7.2) by displacing inwards the driving block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211564160.XA CN115741166B (en) | 2022-12-07 | 2022-12-07 | CNC processing jig for caps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211564160.XA CN115741166B (en) | 2022-12-07 | 2022-12-07 | CNC processing jig for caps |
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| CN115741166A CN115741166A (en) | 2023-03-07 |
| CN115741166B true CN115741166B (en) | 2023-08-04 |
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| CN202211564160.XA Active CN115741166B (en) | 2022-12-07 | 2022-12-07 | CNC processing jig for caps |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214322612U (en) * | 2021-02-07 | 2021-10-01 | 深圳市新联兴精密压铸有限公司 | CNC auxiliary positioning device |
| CN214393361U (en) * | 2021-01-10 | 2021-10-15 | 东莞市钰名圣精密科技有限公司 | Side-push self-centering clamp |
| CN214518971U (en) * | 2021-04-07 | 2021-10-29 | 惠州威博精密科技有限公司 | Machine external clamp anchor clamps |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7765662B2 (en) * | 2006-09-14 | 2010-08-03 | Mckown Jeffrey A | Holding fixture for machining bearing caps |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214393361U (en) * | 2021-01-10 | 2021-10-15 | 东莞市钰名圣精密科技有限公司 | Side-push self-centering clamp |
| CN214322612U (en) * | 2021-02-07 | 2021-10-01 | 深圳市新联兴精密压铸有限公司 | CNC auxiliary positioning device |
| CN214518971U (en) * | 2021-04-07 | 2021-10-29 | 惠州威博精密科技有限公司 | Machine external clamp anchor clamps |
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| CN115741166A (en) | 2023-03-07 |
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