CN212885100U - Clamp for cutting tooth turning of coal mining machine - Google Patents
Clamp for cutting tooth turning of coal mining machine Download PDFInfo
- Publication number
- CN212885100U CN212885100U CN202021666342.4U CN202021666342U CN212885100U CN 212885100 U CN212885100 U CN 212885100U CN 202021666342 U CN202021666342 U CN 202021666342U CN 212885100 U CN212885100 U CN 212885100U
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- bidirectional screw
- transverse
- strip plate
- jaw chuck
- longitudinal
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- 239000003245 coal Substances 0.000 title claims abstract description 33
- 238000005065 mining Methods 0.000 title claims abstract description 31
- 238000007514 turning Methods 0.000 title claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000011265 semifinished product Substances 0.000 abstract description 20
- 230000000670 limiting effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000005553 drilling Methods 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
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model discloses a cutting pick turning clamp of a coal mining machine, belonging to the technical field of clamp structures, comprising a three-jaw chuck and a thimble which are arranged on a lathe body and are opposite to each other, wherein the thimble is arranged on an upper sliding seat which is connected with the lathe body in a sliding way; a lower sliding seat which is connected with the lathe body in a sliding manner is arranged below the upper sliding seat, one side of the lower sliding seat, which faces the three-jaw chuck, corresponds to the fixed flat strip plate and the vertical strip plate, one side of the flat strip plate, which faces the three-jaw chuck, is connected with a transverse bidirectional screw rod structure, and the transverse bidirectional screw rod structure is connected with two transverse clamping blocks which are arranged oppositely front and back; one side of the vertical strip plate facing the three-jaw chuck is connected with a longitudinal bidirectional screw structure, the longitudinal bidirectional screw structure is connected with two longitudinal clamping blocks which are oppositely arranged up and down, the longitudinal clamping blocks are positioned between the two transverse clamping blocks, and the transverse clamping blocks are arranged at the same height as the ejector pins. The structure can ensure that the semi-finished product of the cutting pick of the coal mining machine is stably positioned at the central shaft position of the output shaft of the motor, and ensures that the cutting pick is clamped in place once, thereby accelerating the clamping efficiency.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps structure, in particular to coal-winning machine pick anchor clamps for turning.
Background
The mining cutting tooth is one of the vulnerable parts in coal mining and roadway tunneling machinery, is a main tool for coal falling and breaking, and has the performance that the performance of the cutting tooth directly influences the exertion of the production capacity of the coal mining machinery, the power consumption, the working stability and the service life of other related parts.
The cutting tooth of the coal mining machine belongs to one of cutting teeth for mining, the manufacturing of the cutting tooth needs to be processed by blank, cold extrusion, turning, drilling and the like, when the cutting tooth is turned, a semi-finished product of the cutting tooth of the coal mining machine needs to be clamped and positioned, the existing lathe for turning shaft parts usually adopts a three-jaw chuck and an ejector pin which are arranged oppositely as a clamp to clamp the shaft parts, the existing lathe for turning the shaft parts particularly usually clamps one end of the part by the three-jaw chuck, then the ejector pin is tightly propped at the circle center of the other end face of the part, when one end of the part is clamped by the three-jaw chuck, the other end of the shaft part can be deviated, the ejector pin can not be accurately propped at the circle center of the end face, the part can not be clamped in place at one time, multiple.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal-winning machine pick anchor clamps for turning, it can ensure that coal-winning machine pick semi-manufactured goods stably are located the center pin position of motor output shaft, guarantees that a centre gripping targets in place to can accelerate centre gripping efficiency.
In order to achieve the above purpose, the solution of the present invention is:
a cutting pick turning clamp of a coal cutter comprises a three-jaw chuck and an ejector pin which are arranged on a lathe body and are opposite to each other, wherein one end of the three-jaw chuck, which is back to the ejector pin, is connected with a driving box for driving the three-jaw chuck to rotate, and the ejector pin is arranged on an upper sliding seat which is in sliding connection with the lathe body; a lower sliding seat which is connected with the lathe body in a sliding manner is arranged below the upper sliding seat, a flat strip plate and a vertical strip plate are respectively and correspondingly fixed at two end sides of one side of the lower sliding seat, which faces the three-jaw chuck, and racks are respectively arranged on the upper end surface of the flat strip plate and the rear side surface of the vertical strip plate; one side of the flat strip plate, which faces the three-jaw chuck, is connected with a transverse bidirectional screw rod structure, a first transmission gear meshed with a rack on the flat strip plate is fixedly sleeved on the screw rod, and the transverse bidirectional screw rod structure is connected with two transverse clamping blocks which are oppositely arranged front and back; one side of the vertical strip plate, which faces the three-jaw chuck, is connected with a longitudinal bidirectional screw rod structure, a second transmission gear meshed with a rack on the vertical strip plate is fixedly sleeved on the screw rod, the longitudinal bidirectional screw rod structure is connected with two longitudinal clamping blocks which are oppositely arranged up and down, the longitudinal clamping blocks are positioned between the two transverse clamping blocks, and the transverse clamping blocks and the ejector pins are arranged at equal height.
The front end side and the rear end side of the upper sliding seat are respectively provided with a first driving lead screw and a first guide rod which are horizontally arranged, the front end side and the rear end side of the lower sliding seat are respectively provided with a second driving lead screw and a second guide rod which are horizontally arranged, and one ends of the first driving lead screw and the second driving lead screw, which are back to the three-jaw chuck, are respectively connected with a driving piece.
The longitudinal bidirectional screw structure and the transverse bidirectional screw structure are consistent in structure and respectively comprise bidirectional screws with opposite spiral directions arranged on two end sides, two sliding blocks which are sleeved on the two end sides of the bidirectional screws in a thread adaptive manner, a guide rod which is positioned on one side of the bidirectional screws in a parallel manner, and two guide blocks which are sleeved on the guide rods in a sliding manner, wherein the first transmission gear and the second transmission gear are fixedly sleeved on the bidirectional screws, and the guide blocks correspond to the sliding blocks one to one and are fixedly connected with the sliding blocks; each sliding block is connected with the corresponding transverse clamping block or the corresponding longitudinal clamping block through a connecting rod.
The front end and the rear end of the lathe body are positive side plates, and two ends of a bidirectional screw rod in the transverse bidirectional screw rod structure are respectively connected with the positive side plates on the corresponding sides through bearings; the upper end of the bidirectional screw in the longitudinal bidirectional screw structure is connected with the top fixing plate through a bearing, and the lower end of the bidirectional screw is connected to the bottom in the lathe body through a bearing.
After the scheme is adopted, the utility model discloses compare prior art's beneficial effect is:
the utility model is provided with a three-jaw chuck and an ejector pin, and is also provided with a transverse clamping block driven by a transverse bidirectional screw structure and used for clamping the front side and the rear side of a semi-finished product of a cutting tooth of a coal mining machine, and a longitudinal clamping block driven by a longitudinal bidirectional screw structure and used for clamping the upper side and the lower side of the semi-finished product of the cutting tooth of the coal mining machine, and the transverse bidirectional screw structure and the longitudinal bidirectional screw structure are both connected with a lower sliding seat which is connected with a lathe body in a sliding way through a combined structure of a transmission gear and a rack; when the semi-finished product of the cutting tooth of the coal mining machine is applied, one end of the semi-finished product of the cutting tooth of the coal mining machine is arranged in the three-jaw chuck, the transverse clamping block and the longitudinal clamping block are driven to clamp the other end of the semi-finished product of the cutting tooth of the coal mining machine at the same time, the semi-finished product of the cutting tooth of the coal mining machine is ensured to be stably positioned at the central shaft of the motor output shaft, and then the. The utility model discloses can ensure that coal-winning machine pick semi-manufactured goods are stable in the center pin position of motor output shaft, guarantee that a centre gripping targets in place to can accelerate centre gripping efficiency.
Drawings
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a top view of the structure of the present invention;
FIG. 3 is a front view of the cutting pick of the coal mining machine of the present invention when the cutting pick is held;
FIG. 4 is a top view of the cutting pick of the coal mining machine of the present invention gripping a semi-finished product of the cutting pick;
fig. 5 is a schematic structural view of the middle longitudinal bidirectional screw structure and the transverse bidirectional screw structure of the present invention.
Reference numerals:
1. a drive box; 2. a three-jaw chuck; 3. a longitudinal bidirectional lead screw structure;
4. a transverse clamping block; 5. a longitudinal clamping block; 6. a flat strip plate; 7. a first drive screw;
8. an upper sliding seat; 9. a drive member; 10. a second drive screw; 11. a second guide bar;
12. a first guide bar; 13. a lower sliding seat; 14. a thimble; 15. a forward side plate;
16. erecting a lath; 17. a transverse bidirectional screw structure; 18. a top fixing plate;
19. a lathe body; 20. a bearing;
21. a slider; 22. a bidirectional lead screw; 23. a transmission gear; 24. a guide block; 25. a guide bar;
26. a semi-finished product of a cutting pick of a coal mining machine.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the utility model provides a coal-winning machine pick turning anchor clamps, including install on lathe body 19 and three-jaw chuck 2 and thimble 14 in opposite directions each other, the one end that three-jaw chuck 2 dorsad thimble 14 is connected with and is used for driving the rotatory drive box 1 of three-jaw chuck 2, thimble 14 is installed on the last sliding seat 8 with lathe body 19 sliding connection;
a lower sliding seat 13 connected with a lathe body 19 in a sliding manner is arranged below the upper sliding seat 8, a flat strip plate 6 and a vertical strip plate 16 are respectively and correspondingly fixed at two end sides of one side of the lower sliding seat 13 facing the three-jaw chuck 2, racks are respectively arranged on the upper end surface of the flat strip plate 6 and the rear side surface of the vertical strip plate 16, one side of the flat strip plate 6 facing the three-jaw chuck 2 is connected with a transverse bidirectional screw rod structure 17, a transmission gear 23 meshed with the racks on the flat strip plate 6 is fixedly sleeved on the screw rod, and the transverse bidirectional screw rod structure 17 is connected with two transverse clamping blocks 4 which are oppositely arranged in the front and the rear; one side of the vertical strip plate 16 facing the three-jaw chuck 2 is connected with a longitudinal bidirectional screw structure 3, the screw is fixedly sleeved with another transmission gear 23 meshed with a rack on the vertical strip plate 16, the longitudinal bidirectional screw structure 3 is connected with two longitudinal clamping blocks 5 which are oppositely arranged up and down, the longitudinal clamping blocks 5 are positioned between the two transverse clamping blocks 4, and the transverse clamping blocks 4 and the ejector pins 14 are arranged at equal height.
In the present embodiment, as shown in fig. 1 and 2, the front and rear end sides of the upper slide base 8 are respectively provided with a first drive screw 7 and a first guide rod 12 which are horizontally arranged; the front end side and the rear end side of the lower sliding seat 13 are respectively provided with a second driving screw 10 and a second guide rod 11 which are horizontally arranged, and one ends of the first driving screw 7 and the second driving screw 10, which are back to the three-jaw chuck 2, are respectively connected with a driving part 9. The first driving screw 7 or the second driving screw 10 can be driven to rotate by the corresponding driving piece 9, and the upper sliding seat 8 or the lower sliding seat 13 can be enabled to horizontally translate by matching with the limiting action of the corresponding guide rod, namely, the upper sliding seat 8 or the lower sliding seat 13 can be effectively driven;
as a preferred embodiment of the present invention, as shown in fig. 5, the longitudinal bidirectional screw structure 3 and the transverse bidirectional screw structure 17 have the same structure, and each of the longitudinal bidirectional screw structure and the transverse bidirectional screw structure includes a bidirectional screw 22 with opposite spiral directions on both ends, two sliders 21 sleeved on both ends of the bidirectional screw 22 with thread adaptability, a guide rod 25 parallel to the bidirectional screw 22, and two guide blocks 24 slidably sleeved on the guide rod 25, the transmission gear 23 is fixedly sleeved on the bidirectional screw 22, and the guide blocks 24 are in one-to-one correspondence with the sliders 21 and fixedly connected to the sliders 21; each of the sliding blocks 21 is connected with the corresponding transverse clamping block 4 or longitudinal clamping block 5 through a connecting rod. The transmission gear 23 can rotate under the translation action of the corresponding rack, the bidirectional screw 22 rotates along with the rotation of the bidirectional screw, and the two sliding blocks 21 move in the opposite direction or in the opposite direction by matching with the guide limiting action of the guide rod 25 and the guide block 24, so that the transverse clamping block 4 or the longitudinal clamping block 5 can be driven to clamp or release a semi-finished product 26 of the cutting tooth of the coal mining machine;
as a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, the front end and the rear end of the lathe body 19 are forward side plates 15, and both ends of the bidirectional screw 22 of the transverse bidirectional screw structure 17 are respectively connected to the forward side plates 15 on the corresponding sides through bearings 20; a top fixing plate 18 fixedly connected with a lathe body 19 is arranged above the longitudinal bidirectional lead screw structure 3, the upper end of a bidirectional lead screw 22 of the longitudinal bidirectional lead screw structure 3 is connected with the top fixing plate 18 through a bearing 20, and the lower end of the bidirectional lead screw 22 is connected to the inner bottom of the lathe body 19 through the bearing 20.
The utility model discloses a theory of operation is:
one end of a semi-finished product 26 of a cutting tooth of a coal mining machine is arranged in the three-jaw chuck 2, a driving piece 9 of a second driving screw rod 10 is started at the same time, and a limiting and guiding effect of a second guide rod 11 is matched, so that a lower sliding seat 13 moves towards the side where the three-jaw chuck 2 is located, a flat strip plate 6 and a vertical strip plate 16 are driven to move along with the movement, translation of the flat strip plate 6 drives a transmission gear 23 of a transverse bidirectional screw rod structure 17 to rotate, the transverse bidirectional screw rod structure 17 is driven, two sliding blocks 21 on the transverse screw rod structure are driven to move oppositely, and a transverse clamping block 4 is driven to clamp the front side and the rear side of the semi-finished; the vertical bar plate 16 is translated to drive a transmission gear 23 of a longitudinal bidirectional screw rod structure to rotate, the longitudinal bidirectional screw rod structure is driven to drive two sliding blocks 21 on the vertical bar plate to move oppositely, the longitudinal clamping block 5 is driven to clamp the upper side and the lower side of a semi-finished product 26 of a cutting tooth of a coal mining machine, the longitudinal clamping of the semi-finished product 26 of the cutting tooth of the coal mining machine is realized, namely the clamping of the other end of the semi-finished product 26 of the cutting tooth of the coal mining machine is realized, as shown in figures 3 and 4, and as the transverse clamping block 4 and the longitudinal clamping block 5 move synchronously, the corresponding end of the semi-finished product 26 of the cutting tooth of the coal mining machine can be limited at the central position, the other end of the semi-finished product 26 of the cutting tooth of the coal mining machine can be limited at the central shaft position of the motor output, the upper sliding seat 8 is made to move towards the side where the three-jaw chuck 2 is located, the ejector pin 14 is driven to abut against the circle center of the corresponding end of the semi-finished product 26 of the cutting tooth of the coal mining machine, stable clamping on the semi-finished product 26 of the cutting tooth of the coal mining machine is achieved, before turning is conducted, the driving piece 9 of the second driving screw rod 10 is started reversely, the lower sliding seat 13 is made to move towards the side back to the three-jaw chuck 2, the flat strip plate 6 and the vertical strip plate 16 are driven to move reversely, the two transverse clamping blocks 4 and the two longitudinal clamping blocks 5 can be driven to be away from each other, the clamping effect on the semi-finished product 26 of the cutting tooth of the coal.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A cutting pick turning clamp of a coal cutter comprises a three-jaw chuck and an ejector pin which are arranged on a lathe body and are opposite to each other, wherein one end of the three-jaw chuck, which is back to the ejector pin, is connected with a driving box for driving the three-jaw chuck to rotate, and the ejector pin is arranged on an upper sliding seat which is in sliding connection with the lathe body; the method is characterized in that: a lower sliding seat which is connected with the lathe body in a sliding manner is arranged below the upper sliding seat, a flat strip plate and a vertical strip plate are respectively and correspondingly fixed at two end sides of one side of the lower sliding seat, which faces the three-jaw chuck, and racks are respectively arranged on the upper end surface of the flat strip plate and the rear side surface of the vertical strip plate; one side of the flat strip plate, which faces the three-jaw chuck, is connected with a transverse bidirectional screw rod structure, a first transmission gear meshed with a rack on the flat strip plate is fixedly sleeved on the screw rod, and the transverse bidirectional screw rod structure is connected with two transverse clamping blocks which are oppositely arranged front and back; one side of the vertical strip plate, which faces the three-jaw chuck, is connected with a longitudinal bidirectional screw rod structure, a second transmission gear meshed with a rack on the vertical strip plate is fixedly sleeved on the screw rod, the longitudinal bidirectional screw rod structure is connected with two longitudinal clamping blocks which are oppositely arranged up and down, the longitudinal clamping blocks are positioned between the two transverse clamping blocks, and the transverse clamping blocks and the ejector pins are arranged at equal height.
2. The clamp for cutting pick turning of the coal mining machine according to claim 1, wherein: the front end side and the rear end side of the upper sliding seat are respectively provided with a first driving lead screw and a first guide rod which are horizontally arranged, the front end side and the rear end side of the lower sliding seat are respectively provided with a second driving lead screw and a second guide rod which are horizontally arranged, and one ends of the first driving lead screw and the second driving lead screw, which face away from the three-jaw chuck, are respectively connected with a driving piece.
3. The clamp for cutting pick turning of the coal mining machine according to claim 1, wherein: the longitudinal bidirectional screw structure and the transverse bidirectional screw structure are consistent in structure and respectively comprise bidirectional screws with opposite spiral directions arranged on two end sides, two sliding blocks which are sleeved on the two end sides of the bidirectional screws in a thread adaptive manner, a guide rod which is positioned on one side of the bidirectional screws in a parallel manner, and two guide blocks which are sleeved on the guide rods in a sliding manner, wherein the first transmission gear and the second transmission gear are fixedly sleeved on the bidirectional screws, and the guide blocks are in one-to-one correspondence with the sliding blocks and are fixedly connected with the sliding blocks; each sliding block is connected with the corresponding transverse clamping block or the corresponding longitudinal clamping block through a connecting rod.
4. The clamp for cutting picks of the coal mining machine according to claim 3, wherein: the front end and the rear end of the lathe body are positive side plates, and two ends of a bidirectional screw rod in the transverse bidirectional screw rod structure are respectively connected with the positive side plates on the corresponding sides through bearings; the upper end of the bidirectional screw in the longitudinal bidirectional screw structure is connected with the top fixing plate through a bearing, and the lower end of the bidirectional screw is connected to the bottom in the lathe body through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666342.4U CN212885100U (en) | 2020-08-11 | 2020-08-11 | Clamp for cutting tooth turning of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666342.4U CN212885100U (en) | 2020-08-11 | 2020-08-11 | Clamp for cutting tooth turning of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212885100U true CN212885100U (en) | 2021-04-06 |
Family
ID=75241603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021666342.4U Active CN212885100U (en) | 2020-08-11 | 2020-08-11 | Clamp for cutting tooth turning of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212885100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770167A (en) * | 2022-05-13 | 2022-07-22 | 潜山县九鼎精密机械有限公司 | Multifunctional lathe fixture |
-
2020
- 2020-08-11 CN CN202021666342.4U patent/CN212885100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770167A (en) * | 2022-05-13 | 2022-07-22 | 潜山县九鼎精密机械有限公司 | Multifunctional lathe fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 224100 No. 86, Xingye Road, Dazhong Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Address before: 224100 Dazhong Industrial Park, Dazhong community, Dafeng District, Yancheng City, Jiangsu Province Patentee before: Yancheng outway Machinery Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2023980053973 Denomination of utility model: A fixture for coal mining machine cutting teeth turning Granted publication date: 20210406 License type: Common License Record date: 20231226 |
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| EE01 | Entry into force of recordation of patent licensing contract |