CN111633625A - Spiral tensioning type center positioning ruler - Google Patents
Spiral tensioning type center positioning ruler Download PDFInfo
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- CN111633625A CN111633625A CN202010594196.7A CN202010594196A CN111633625A CN 111633625 A CN111633625 A CN 111633625A CN 202010594196 A CN202010594196 A CN 202010594196A CN 111633625 A CN111633625 A CN 111633625A
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- 238000010304 firing Methods 0.000 claims description 77
- 238000000034 method Methods 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- General Physics & Mathematics (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a spiral tensioning type center positioning ruler, which comprises an upper center positioning assembly, a left center positioning assembly and a right center positioning assembly; go up central locating component including the deflector of horizontal arrangement, the middle part of deflector is provided with vertical arrangement's bolt hole, left side central locating component and right central locating component adopt the central locating component of the same structure, central locating component includes slide bar, swivel nut, spring, striker and hollow screw. The invention has simple structure and high positioning precision, can ensure the product quality, greatly improves the production efficiency and reduces the production cost.
Description
Technical Field
The invention relates to a spiral tensioning type center positioning ruler, and belongs to the technical field of positioning tools.
Background
In the machining and welding process, a positioning tool is a key device for determining the machining precision and influencing the product quality, as shown in fig. 1, the top surface of a square ingot 1 is provided with a plurality of vertical positioning holes 101 which are arranged at intervals, the plurality of vertical positioning holes 101 are sequentially arranged from front to back, in order to find out transverse positioning holes 102 corresponding to the vertical positioning holes 101 at two sides of the square ingot 1, central positioning points corresponding to the vertical positioning holes on planes at two sides of the square ingot 1 need to be determined according to the positions of the vertical positioning holes 1 at the top surface of the square ingot 1, and the deviation between the axes of the central positioning points at two sides of the square ingot 1 and the central axis of the vertical positioning holes 101 is ensured to be within a.
The traditional way of determining the center positioning point is to find the center positioning point manually through a ruler, but the method has the following problems: the manual operation is inconvenient, the accuracy of the transverse center positioning point is not high, and the product quality is influenced, so that the spiral tensioning type center positioning ruler which is simple to operate, high in positioning accuracy and capable of guaranteeing the product quality is particularly important to find.
Disclosure of Invention
The invention aims to provide a spiral tensioning type center positioning ruler, which solves the problems that the traditional mode for determining a center positioning point in the background art is inconvenient to operate and low in positioning precision, so that the product quality is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a spiral tensioning type center positioning ruler comprises an upper center positioning assembly, a left center positioning assembly and a right center positioning assembly; the upper central positioning assembly comprises a guide plate which is transversely arranged, a bolt hole which is vertically arranged is formed in the middle of the guide plate, the left central positioning assembly and the right central positioning assembly adopt central positioning assemblies with the same structure, and each central positioning assembly comprises a sliding rod, a threaded sleeve, a spring, a firing pin and a hollow screw rod; the sliding rod comprises a sliding block and a sliding plate, the sliding plate is arranged at the bottom end of the sliding block, the sliding plate is vertically arranged, and the lower section of the sliding plate is provided with connecting holes which are transversely arranged; the left end of the guide plate is sleeved with the sliding block of the left central positioning assembly, the right end of the guide plate is sleeved with the sliding block of the right central positioning assembly, the screw sleeve is fixedly connected with the sliding plate, the central position of the screw sleeve corresponds to the central position of the connecting hole, a first hollow screw hole and a second hollow screw hole are arranged in the hollow screw, the inner diameter of the first hollow screw hole is larger than that of the second hollow screw hole, the first hollow screw hole is communicated with the second hollow screw hole, a step upper ring is arranged at the connecting position of the first hollow screw hole and the second hollow screw hole, a firing pin limiting ring is arranged on the upper ring, a conical needle head is arranged at the right end of the firing pin body, the conical needle head is arranged in the screw sleeve, and the left end of the firing pin body extends out of the hollow screw; the firing pin body is sleeved with a spring.
Preferably, the side surfaces of the left section and the right section of the guide plate are respectively provided with two guide plate fixing holes which are longitudinally arranged, one side of the slide block is provided with two slide block fixing holes, and the two guide plate fixing holes of the guide plate correspond to the two slide block fixing holes on the slide block.
Preferably, a locking screw is arranged in the bolt hole, a locking screw limiting ring is annularly arranged on the locking screw, a tension pulley is arranged at the lower section of the locking screw, the tension pulley comprises a tension pulley body, a tension pulley through hole is arranged in the tension pulley body, the lower section of the locking screw is inserted into the tension pulley through hole, a tension sleeve is sleeved outside the tension pulley, and the tension sleeve comprises a tension sleeve body.
Preferably, the upper section of the locking screw is provided with a transversely arranged wrench hole, and a wrench is arranged in the wrench hole.
Preferably, the tensioning wheel body is a conical body, and a conical hole is formed in the tensioning sleeve body.
Preferably, the tensioning wheel body is provided with two second key slots which are vertically arranged, and the tensioning sleeve body is provided with a third key slot and a fourth key slot which are arranged at intervals.
Preferably, the left end and the right end of the guide plate are respectively provided with a guide plate limiting hole which is longitudinally arranged.
Preferably, the slider is a C-shaped structure with an upward opening.
Preferably, a firing pin transition section is arranged between the conical needle head and the firing pin body, and the firing pin transition section is a conical section with the caliber gradually reduced from left to right.
A spiral tensioning type center positioning ruler is provided, and the installation method comprises the following steps:
the method comprises the following steps: the assembly of the positioning component comprises the following specific steps: firstly, a locking screw rod is arranged in a bolt hole on a guide plate in a penetrating way, then the lower section of the locking screw rod is inserted into a through hole of a tension wheel, then a tension sleeve is sleeved outside the tension wheel, and the locking screw rod and the tension wheel are screwed to a semi-screwing state through a spanner;
assembling a left central positioning assembly and a right central positioning assembly, wherein the left central positioning assembly and the right central positioning assembly adopt central positioning assemblies with the same structure and are assembled simultaneously; the method comprises the following specific steps: firstly, welding a threaded sleeve on a sliding plate, and sleeving a spring on a firing pin, wherein the spring is in an initial state; then the firing pin is arranged in the hollow screw in a penetrating way, so that the left side of the firing pin limiting ring is matched with the right side of the step of the hollow screw; then the hollow screw is in threaded connection with the threaded sleeve; the conical needle head on the firing pin is arranged in the screw sleeve, the left end of the firing pin extends out of the hollow screw rod, and the spring is in a compressed state at the moment;
step two: install left central locating component and right central locating component on last central locating component, its concrete step is: firstly, sleeving a sliding block of a left central positioning assembly at the left end of a guide plate, and connecting the sliding block with the guide plate through a first screw, wherein the sliding block of the left central positioning assembly and the guide plate are in a half-screwing state;
the method for installing the right central positioning assembly on the upper positioning assembly is the same as the method for installing the left central positioning assembly on the upper central positioning assembly, and the right central positioning assembly and the left central positioning assembly are simultaneously installed on the upper central positioning assembly;
step three: and second screws penetrate through the guide plate limiting holes at the left end and the right end of the guide plate.
Compared with the prior art, the invention provides a spiral tensioning type center positioning ruler, which has the following beneficial effects:
the invention has simple structure and high positioning precision, can ensure the product quality, greatly improves the production efficiency and reduces the production cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural view of a square ingot without positioning a transverse positioning hole;
FIG. 2 is a schematic structural view of a spiral tension type center positioning ruler according to the present invention when the square ingot is not installed;
FIG. 3 is a cross-sectional view A-A of the screw tightening type center positioning ruler in FIG. 1 after being installed with a square ingot;
FIG. 4 is a cross-sectional view of a middle section B-B of the screw tightening type center positioning ruler in FIG. 1 after being installed with a square ingot;
FIG. 5 is an enlarged view of portion C of FIG. 3;
FIG. 6 is an enlarged view of portion D of FIG. 4;
FIG. 7 is an enlarged view of section E of FIG. 4;
FIG. 8 is a schematic view of the structure of FIG. 4 with portion E unconnected;
FIG. 9 is a schematic structural view of the upper center positioning assembly, the left center positioning assembly and the right center positioning assembly when not installed;
FIG. 10 is an enlarged view of portion F of FIG. 9;
FIG. 11 is an enlarged view of portion G of FIG. 9;
FIG. 12 is a schematic view of the configuration of the upper center positioning assembly wherein the guide plate is engaged with the slide bar of the left center positioning assembly and the slide bar of the right center positioning assembly;
FIG. 13 is a schematic structural view of a finished product after a square ingot completes a transverse positioning hole;
in the figure: 1. a square ingot; 101. a vertical positioning hole; 102. transverse positioning holes;
2. an upper central positioning assembly; 201. a guide plate; 202. bolt holes; 203. a guide plate limiting hole; 204. a guide plate fixing hole; 205. a first keyway; 206. locking the screw rod; 206.1, locking the screw rod spacing ring; 207. a wrench hole; 208. a wrench; 209. a tension wheel; 209.1, a tension roller body; 209.2, a through hole of the tension pulley; 209.3, a second keyway; 210. a tensioning sleeve; 210.1, tensioning sleeve bodies; 210.2, third keyway; 210.3, fourth keyway;
3. a left center positioning assembly; 301. a slide bar; 301.1, a sliding block; 301.2, a sliding plate; 301.3, a slide block fixing hole; 301.4, connecting holes; 302. a threaded sleeve; 303. a spring; 304. a firing pin; 304.1, firing pin body; 304.2, a firing pin limit ring; 304.3, a conical needle; 304.4, a firing pin transition section;
305. a hollow screw; 305.1, a first hollow screw hole; 305.2, a second hollow screw hole; 305.3, a step;
4. a right centering assembly; 5. a first key; 6. a second key.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the present invention provides a technical solution: a spiral tensioning type center positioning ruler comprises an upper center positioning component 2, a left center positioning component 3 and a right center positioning component 4;
the upper central positioning component 2 comprises guide plates 201 which are transversely arranged, a bolt hole 202 which is vertically arranged is arranged in the middle of each guide plate 201, guide plate limiting holes 203 which are longitudinally arranged are respectively arranged at the left end and the right end of each guide plate 201, two guide plate fixing holes 204 which are longitudinally arranged are respectively arranged on the side surfaces of the left section and the right section of each guide plate 201, the guide plate fixing holes 204 of the left section and the right section are arranged in a central symmetry manner, two first key grooves 205 which are longitudinally arranged are arranged on the bottom surfaces of the guide plates 201, and the two first key grooves 205 are arranged on the front side and the rear side of the bolt hole 202;
a locking screw 206 is arranged in the bolt hole 202, a transversely arranged wrench hole 207 is arranged at the upper section of the locking screw 206, a wrench 208 is arranged in the wrench hole 207, a locking screw limiting ring 206.1 is annularly arranged on the locking screw 206, a tension wheel 209 is arranged at the lower section of the locking screw 206, and the locking screw 206 is in threaded connection with the tension wheel 209; the tension roller 209 comprises a tension roller body 209.1, the tension roller body 209.1 is a conical body, a tension roller through hole 209.2 is formed in the tension roller body 209.1, and the lower section of the locking screw 206 is inserted into the tension roller through hole 209.2; the tensioning wheel body 209.1 is provided with two vertically arranged second key slots 209.3, the two second key slots 209.3 are symmetrically arranged in front and back, a tensioning sleeve 210 is sleeved outside the tensioning wheel 209, the tensioning sleeve 210 comprises a tensioning sleeve body 210.1, and a tapered hole is formed in the tensioning sleeve body 210.1;
the tensioning sleeve body 210.1 is provided with third keyways 210.2 and fourth keyways 210.3 which are arranged at intervals, the third keyways 210.2 and the fourth keyways 210.3 are both vertically arranged, and the top end of the third keyways 210.2 extends to the top end of the tensioning sleeve body 210.1;
the first key groove 205 on the guide plate 201 is connected with the third key groove 210.2 on the tensioning sleeve body 210.1 through the first key 5, and the fourth key groove 210.3 on the tensioning sleeve body 210.1 is connected with the second key groove 209.3 on the tensioning wheel body 209.1 through the second key 6;
the left central positioning component 3 and the right central positioning component 4 adopt central positioning components with the same structure, and the left central positioning component 3 and the right central positioning component 4 are symmetrically arranged;
the central positioning component comprises a sliding rod 301, a threaded sleeve 302, a spring 303, a firing pin 304 and a hollow screw 305;
the slide bar 301 comprises a slide block 301.1 and a slide plate 301.2, the slide plate 301.2 is arranged at the bottom end of the slide block 301.1, the slide plate 301.2 is vertically arranged, the slide block 301.1 is of a C-shaped structure with an upward opening, two slide block fixing holes 301.3 are arranged on one side of the slide block 301.1, the two slide block fixing holes 301.3 are longitudinally arranged, and the two slide block fixing holes 301.3 on the slide block 301.1 correspond to the two guide plate fixing holes 204 of the guide plate 201.
The lower section of the sliding plate 301.2 is provided with a connecting hole 301.4 which is transversely arranged;
the slide block 301.1 of the left central positioning component 3 is sleeved at the left end of the guide plate 201, the slide block 301.1 of the right central positioning component 4 is sleeved at the right end of the guide plate 201, the guide plate fixing hole 204 and the slide block fixing hole 301.3 are fixed through a first screw, and a second screw is arranged in the guide plate limiting hole 203 to prevent the guide plate 201 from sliding out in the translation process;
the threaded sleeve 302 is fixedly connected with the sliding plate 301.2, and the central position of the threaded sleeve 302 corresponds to the central position of the connecting hole 301.4;
a first hollow screw hole 305.1 and a second hollow screw hole 305.2 are arranged in the hollow screw 305, the inner diameter of the first hollow screw hole 305.1 is larger than that of the second hollow screw hole 305.2, the first hollow screw hole 305.1 is communicated with the second hollow screw hole 305.2, and a step 305.3 is arranged at the joint of the first hollow screw hole 305.1 and the second hollow screw hole 305.2;
the firing pin 304 comprises a firing pin body 304.1, a firing pin limiting ring 304.2 is annularly arranged on the firing pin body 304.1, and the left side of the firing pin limiting ring 304.2 is matched with the right side of the step 305.3;
a conical needle head 304.3 is arranged at the right end of the firing pin body 304.1, the conical needle head 304.3 is arranged in the screw sleeve 302, and the left end of the firing pin body 304.1 extends out of the hollow screw 305;
a firing pin transition section 304.4 is arranged between the conical needle head 304.3 and the firing pin body 304.1; the firing pin transition section 304.4 is a conical section with the caliber gradually reduced from left to right; a spring 303 is sleeved on the firing pin body 304.1 between the firing pin limiting ring 304.2 and the firing pin transition section 304.4.
The working principle of the spiral tensioning type center positioning ruler is as follows:
firstly, a locking screw rod is arranged in a bolt hole on a guide plate in a penetrating way, then the lower section of the locking screw rod is inserted into a through hole of a tension wheel, then a tension sleeve is sleeved outside the tension wheel, the locking screw rod and the tension wheel are screwed to a semi-screwed state through a spanner, then a second key groove on the tension wheel is connected with a fourth key groove on the tension sleeve through a second key, and a first key groove on the guide plate is connected with a third key groove on the tension sleeve through a first key;
then welding the screw sleeve of the left central positioning assembly on the sliding plate of the left central positioning assembly, sleeving the spring of the left central positioning assembly on the firing pin of the left central positioning assembly, and then penetrating the firing pin of the left central positioning assembly into the hollow screw of the left central positioning assembly;
then the hollow screw of the left central positioning component is in threaded connection with the threaded sleeve of the left central positioning component;
then, sleeving the sliding block of the left central positioning assembly at the left end of the guide plate, corresponding the sliding block fixing hole of the left central positioning assembly to the guide plate fixing hole, and connecting the sliding block fixing hole of the left central positioning assembly with the guide plate fixing hole through a first screw, wherein the sliding block of the left central positioning assembly and the guide plate are in a half-screwing state; then, penetrating a tension wheel provided with a locking screw rod and a tension sleeve into a vertical positioning hole on the top surface of the square ingot;
then, a locking screw in the upper central positioning assembly is screwed with a tension pulley through a wrench; screwing the sliding block of the left center positioning assembly and the guide plate tightly, so that the bottom surface of the guide plate is attached to the top surface of the square ingot, and the right side of the sliding plate of the left center positioning assembly is attached to the left side of the square ingot; then, second screws penetrate through the guide plate limiting holes at the left end and the right end of the guide plate;
finally, the part of the left end of the firing pin of the left central positioning component extending out of the hollow screw of the left central positioning component is struck by a hammer, so that the conical needle head on the firing pin of the left central positioning component moves rightwards and touches the left side of the square ingot to leave a mark point, and the positioning is accurately finished at the moment;
the mounting method of the right centering assembly is the same as the mounting method of the left centering assembly.
A mounting method of a spiral tensioning type center positioning ruler comprises the following steps:
the method comprises the following steps: the assembly of the positioning component comprises the following specific steps: firstly, a locking screw rod is arranged in a bolt hole on a guide plate in a penetrating way, then the lower section of the locking screw rod is inserted into a through hole of a tension wheel, then a tension sleeve is sleeved outside the tension wheel, the locking screw rod and the tension wheel are screwed to a semi-screwed state through a spanner, then a second key groove on the tension wheel is connected with a fourth key groove on the tension sleeve through a second key, and a first key groove on the guide plate is connected with a third key groove on the tension sleeve through a first key;
assembling a left central positioning assembly and a right central positioning assembly, wherein the left central positioning assembly and the right central positioning assembly adopt central positioning assemblies with the same structure and are assembled simultaneously; the method comprises the following specific steps: firstly, welding a threaded sleeve on a sliding plate, and sleeving a spring on a firing pin between a firing pin limiting ring and a firing pin transition section, wherein the spring is in an initial state; then the firing pin is arranged in the hollow screw in a penetrating way, so that the left side of the firing pin limiting ring is matched with the right side of the step of the hollow screw; then the hollow screw is in threaded connection with the threaded sleeve; the conical needle head on the firing pin is arranged in the screw sleeve, the left end of the firing pin extends out of the hollow screw rod, and the spring is in a compressed state at the moment;
step two: install left central locating component and right central locating component on last central locating component, its concrete step is: firstly, sleeving a sliding block of a left central positioning assembly at the left end of a guide plate, then enabling a sliding block fixing hole of the left central positioning assembly to correspond to a guide plate fixing hole, and connecting the sliding block fixing hole and the guide plate fixing hole through a first screw, wherein the sliding block and the guide plate of the left central positioning assembly are in a half-screwing state;
the method for installing the right central positioning assembly on the upper positioning assembly is the same as the method for installing the left central positioning assembly on the upper central positioning assembly, and the right central positioning assembly and the left central positioning assembly are simultaneously installed on the upper central positioning assembly;
step three: and second screws penetrate through the guide plate limiting holes at the left end and the right end of the guide plate.
A marking method of a transverse positioning hole of a square ingot adopts a spiral tensioning type center positioning ruler for operation, and the specific using method comprises the following steps:
the method comprises the following steps: matching the assembled upper center positioning assembly, the left center positioning assembly and the right center positioning assembly with the square ingot, wherein a locking screw rod and a tension wheel in the upper center positioning assembly are in a half-screwing state, a sliding block and a guide plate of the left center positioning assembly are in a half-screwing state, and a sliding block and a guide plate of the right center positioning assembly are in a half-screwing state; then, penetrating a tension wheel provided with a locking screw rod and a tension sleeve into a vertical positioning hole on the top surface of the square ingot;
step two: a locking screw in the upper central positioning assembly is screwed with a tension pulley through a spanner; the sliding block of the left center positioning assembly is screwed with the guide plate, and the sliding block of the right center positioning assembly is screwed with the guide plate; the bottom surface of the guide plate is attached to the top surface of the square ingot, the right side of the sliding plate of the left central positioning assembly is attached to the left side of the square ingot, and the left side of the sliding plate of the right central positioning assembly is attached to the right side of the square ingot;
step three: the left end of the firing pin of the left central positioning assembly extends out of the hollow screw of the left central positioning assembly by striking with a hammer, so that a conical needle head on the firing pin of the left central positioning assembly moves rightwards and touches the left side of a square ingot to leave a mark point, positioning is accurately completed at the moment, the firing pin of the left central positioning assembly returns to the initial position through a spring of the left central positioning assembly after being touched, namely the conical needle head on the firing pin of the left central positioning assembly is arranged in the screw sleeve, and the left end of the firing pin of the left central positioning assembly extends out of the hollow screw of the left central positioning assembly;
simultaneously, the right end of the firing pin of the right central positioning assembly extends out of the hollow screw of the right central positioning assembly by striking through a hammer, so that the conical needle head on the firing pin of the right central positioning assembly moves leftwards and touches the right side of the square ingot to leave a mark point, the positioning is accurately finished at the moment, the firing pin of the right central positioning assembly returns to the initial position through the spring of the right central positioning assembly, namely the conical needle head on the firing pin of the right central positioning assembly is arranged in the screw sleeve, and the right end of the firing pin of the right central positioning assembly extends out of the hollow screw of the right central positioning assembly;
step four: when a next transverse positioning hole needs to be positioned on the square ingot, firstly, a locking screw rod and a tension wheel in an upper central positioning assembly are screwed to be in a half-screwed state through a wrench, then, a sliding block and a guide plate of a left central positioning assembly are screwed to be in a half-screwed state, and a sliding block and a guide plate of a right central positioning assembly are screwed to be in a half-screwed state; then moving the upper central positioning assembly, the left central positioning assembly and the right central positioning assembly to the position corresponding to the next vertical positioning hole, and penetrating a tension wheel with a locking screw rod and a tension sleeve to the next vertical positioning hole on the top surface of the square ingot; then, a locking screw in the upper central positioning assembly is screwed with a tension pulley through a wrench; screwing the sliding block and the guide plate of the left central positioning assembly, and screwing the sliding block and the guide plate of the right central positioning assembly; the bottom surface of the guide plate is attached to the top surface of the square ingot, the right side of the sliding plate of the left central positioning assembly is attached to the left side of the square ingot, and the left side of the sliding plate of the right central positioning assembly is attached to the right side of the square ingot;
then, a part of the left end of the firing pin of the left central positioning assembly, which extends out of the hollow screw of the left central positioning assembly, is struck by a hammer, so that a conical needle head on the firing pin of the left central positioning assembly moves rightwards and touches the left side of a square ingot to leave a mark point, positioning is accurately completed at the moment, the firing pin of the left central positioning assembly returns to the initial position through a spring of the left central positioning assembly, namely the conical needle head on the firing pin of the left central positioning assembly is arranged in the screw sleeve, and the left end of the firing pin of the left central positioning assembly extends out of the hollow screw of the left central positioning assembly after being touched;
simultaneously, the right end of the firing pin of the right central positioning assembly extends out of the hollow screw of the right central positioning assembly by striking through a hammer, so that the conical needle head on the firing pin of the right central positioning assembly moves leftwards and touches the right side of the square ingot to leave a mark point, the positioning is accurately finished at the moment, the firing pin of the right central positioning assembly returns to the initial position through the spring of the right central positioning assembly, namely the conical needle head on the firing pin of the right central positioning assembly is arranged in the screw sleeve, and the right end of the firing pin of the right central positioning assembly extends out of the hollow screw of the right central positioning assembly;
step five: and repeating the steps, and determining the central positioning points corresponding to the vertical positioning holes on the top surface of the square ingot on the planes on the two sides of the square ingot according to the positions of the vertical positioning holes on the top surface of the square ingot.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a spiral tensioning formula center positioning chi which characterized in that: the device comprises an upper center positioning component (2), a left center positioning component (3) and a right center positioning component (4); the upper center positioning assembly (2) comprises a guide plate (201) which is transversely arranged, a bolt hole (202) which is vertically arranged is formed in the middle of the guide plate (201), the left center positioning assembly (3) and the right center positioning assembly (4) adopt center positioning assemblies with the same structure, and the center positioning assemblies comprise a sliding rod (301), a threaded sleeve (302), a spring (303), a striker (304) and a hollow screw (305); the sliding rod (301) comprises a sliding block (301.1) and a sliding plate (301.2), the sliding plate (301.2) is arranged at the bottom end of the sliding block (301.1), the sliding plate (301.2) is vertically arranged, and the lower section of the sliding plate (301.2) is provided with a connecting hole (301.4) which is transversely arranged; the left end of the guide plate (201) is sleeved with a sliding block (301.1) of the left central positioning component (3), the right end of the guide plate (201) is sleeved with a sliding block (301.1) of the right central positioning component (4), the threaded sleeve (302) is fixedly connected with the sliding plate (301.2), the central position of the threaded sleeve (302) corresponds to the central position of the connecting hole (301.4), a first hollow screw hole (305.1) and a second hollow screw hole (305.2) are arranged in the hollow screw (305), the inner diameter of the first hollow screw hole (305.1) is larger than that of the second hollow screw hole (305.2), the first hollow screw hole (305.1) is communicated with the second hollow screw hole (305.2), and a step (305.3) is arranged at the connecting position of the first hollow screw hole (305.1) and the second hollow screw hole (305.2); the firing pin (304) comprises a firing pin body (304.1), a firing pin limiting ring (304.2) is annularly arranged on the firing pin body (304.1), a conical needle head (304.3) is arranged at the right end of the firing pin body (304.1), the conical needle head (304.3) is arranged in the screw sleeve (302), and the left end of the firing pin body (304.1) extends out of the hollow screw rod (305); the firing pin body (304.1) is sleeved with a spring (303).
2. The screw tensioning type center positioning ruler according to claim 1, characterized in that two guide plate fixing holes (204) which are longitudinally arranged are respectively formed in the side surfaces of the left section and the right section of the guide plate (201), two slider fixing holes (301.3) are formed in one side of the slider (301.1), and the two guide plate fixing holes (204) of the guide plate (201) correspond to the two slider fixing holes (301.3) of the slider (301.1).
3. The spiral tensioning type center positioning ruler according to claim 1, characterized in that a locking screw (206) is arranged in the bolt hole (202), a locking screw limiting ring (206.1) is annularly arranged on the locking screw (206), a tensioning wheel (209) is arranged at the lower section of the locking screw (206), the tensioning wheel (209) comprises a tensioning wheel body (209.1), a tensioning wheel through hole (209.2) is arranged in the tensioning wheel body (209.1), the lower section of the locking screw (206) is inserted into the tensioning wheel through hole (209.2), a tensioning sleeve (210) is sleeved outside the tensioning wheel (209), and the tensioning sleeve (210) comprises a tensioning sleeve body (210.1).
4. The screw-tightening type center positioning ruler of claim 3, wherein the locking screw (206) is provided with a transversely arranged wrench hole (207) at the upper section, and a wrench (208) is arranged in the wrench hole (207).
5. The spiral tensioning type center positioning ruler of claim 3, wherein the tensioning wheel body (209.1) is a conical body, and a conical hole is formed in the tensioning sleeve body (210.1).
6. The spiral tensioning type center positioning ruler according to claim 3, characterized in that two second key slots (209.3) which are vertically arranged are arranged on the tensioning wheel body (209.1), and third key slots (210.2) and fourth key slots (210.3) which are arranged at intervals are arranged on the tensioning sleeve body (210.1).
7. The spiral tensioning type center positioning ruler of claim 1, wherein the left end and the right end of the guide plate (201) are respectively provided with a guide plate limiting hole (203) which is longitudinally arranged.
8. The screw tightening type center positioning rule is characterized in that the sliding block (301.1) is of a C-shaped structure with an upward opening.
9. The screw-tensioned centering guide according to claim 1, wherein a firing pin transition section (304.4) is provided between the conical needle head (304.3) and the firing pin body (304.1), and the firing pin transition section (304.4) is a conical section with a bore gradually decreasing from left to right.
10. The spiral tensioning type center positioning ruler of claim 3, wherein the installation method comprises the following steps:
the method comprises the following steps: the assembly of the positioning component comprises the following specific steps: firstly, a locking screw rod is arranged in a bolt hole on a guide plate in a penetrating way, then the lower section of the locking screw rod is inserted into a through hole of a tension wheel, then a tension sleeve is sleeved outside the tension wheel, and the locking screw rod and the tension wheel are screwed to a semi-screwing state through a spanner;
assembling a left central positioning assembly and a right central positioning assembly, wherein the left central positioning assembly and the right central positioning assembly adopt central positioning assemblies with the same structure and are assembled simultaneously; the method comprises the following specific steps: firstly, welding a threaded sleeve on a sliding plate, and sleeving a spring on a firing pin, wherein the spring is in an initial state; then the firing pin is arranged in the hollow screw in a penetrating way, so that the left side of the firing pin limiting ring is matched with the right side of the step of the hollow screw; then the hollow screw is in threaded connection with the threaded sleeve; the conical needle head on the firing pin is arranged in the screw sleeve, the left end of the firing pin extends out of the hollow screw rod, and the spring is in a compressed state at the moment;
step two: install left central locating component and right central locating component on last central locating component, its concrete step is: firstly, sleeving a sliding block of a left central positioning assembly at the left end of a guide plate, and connecting the sliding block with the guide plate through a first screw, wherein the sliding block of the left central positioning assembly and the guide plate are in a half-screwing state;
the method for installing the right central positioning assembly on the upper positioning assembly is the same as the method for installing the left central positioning assembly on the upper central positioning assembly, and the right central positioning assembly and the left central positioning assembly are simultaneously installed on the upper central positioning assembly;
step three: and second screws penetrate through the guide plate limiting holes at the left end and the right end of the guide plate.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010594196.7A CN111633625B (en) | 2020-06-24 | 2020-06-24 | Spiral tensioning type center positioning ruler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210676A (en) * | 2021-04-26 | 2021-08-06 | 铁岭铁光仪器仪表有限责任公司 | Drill jig tool for window screw hole of water level gauge body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113210676A (en) * | 2021-04-26 | 2021-08-06 | 铁岭铁光仪器仪表有限责任公司 | Drill jig tool for window screw hole of water level gauge body |
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| Publication number | Publication date |
|---|---|
| CN111633625B (en) | 2023-10-27 |
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