CN219484921U - Brake shoe side milling clamp - Google Patents
Brake shoe side milling clamp Download PDFInfo
- Publication number
- CN219484921U CN219484921U CN202223536895.XU CN202223536895U CN219484921U CN 219484921 U CN219484921 U CN 219484921U CN 202223536895 U CN202223536895 U CN 202223536895U CN 219484921 U CN219484921 U CN 219484921U
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- clamp
- brake shoe
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- bottom plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of tool clamps, in particular to a brake shoe side milling clamp which comprises a clamping bottom plate fixed on a milling machine workbench, wherein two vertical plates and two lower moon plates are arranged in the middle of the clamping bottom plate, an upper moon plate coaxial with the lower moon plate is arranged at the top of each vertical plate, side ejector rods which are abutted against the inner side of an outer arc plate of a brake shoe are arranged on each lower moon plate, and an upper ejector rod which is abutted against a web plate of the brake shoe is arranged on each lower moon plate; the rear end of the clamping bottom plate is provided with two pin shafts, and the tail end of the clamping bottom plate is hinged with a clamp which is used for clamping a brake shoe to the side ejector rod; the clamping bottom plate is provided with a screw, and the screw is sleeved with a pressing plate. According to the utility model, two brake shoes are simultaneously fixed by cohesion and pressing, and the outer arc plates are positioned at vertical positions, so that the milling machine can conveniently process the side surfaces of the outer arc plates of the two brake shoes at one time, and the processed side surfaces of the outer arc plates are vertical to the cylindrical axis of the milling machine.
Description
Technical Field
The utility model relates to the technical field of tool clamps, in particular to a milling clamp for side surfaces of brake shoes.
Background
Many processes in the brake shoe machining process take the side surface of the outer arc plate as a reference surface for positioning and clamping, so that the machining of the side surface of the outer arc plate of the brake shoe affects the machining precision of subsequent processes, and therefore, a clamp for effectively clamping the brake shoe with rough surface is needed, so that the machining of one side surface of the outer arc plate is convenient, and the machined side surface is perpendicular to the axis of a cylinder where the outer arc plate of the brake shoe is located.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a clamp for milling the side surface of a brake shoe, which enables the axis of a cylinder where an outer arc plate of the brake shoe is positioned to be positioned at a vertical position through buckling and pressing, so that after the top surface of the outer arc plate is processed by adopting a processing tool for horizontal feed, the side surface perpendicular to the axis of the cylinder where the outer arc plate is positioned is obtained.
The technical scheme adopted for solving the technical problems is as follows: the milling clamp for the side surfaces of the brake shoes comprises a base fixed on a milling machine workbench, wherein a clamping bottom plate is fixed on the base, two vertical plates and two lower moon plates with cambered surfaces facing outwards are symmetrically arranged in the middle of the clamping bottom plate in a left-right mode, upper moon plates coaxial with the lower moon plates are arranged at the tops of the two vertical plates, side ejector rods which are abutted against the inner sides of outer arc plates of the brake shoes are arranged on the outer arcs of the lower moon plates, and at least two upper ejector rods which are abutted against webs of the brake shoes are arranged on the upper surfaces of the lower moon plates; the rear end of the clamping bottom plate is provided with two pin shafts which can be inserted into main pin holes of the brake shoes, and the tail end of the clamping bottom plate is hinged with a clamp which can clamp the brake shoes towards the side ejector rods; a screw rod is arranged between the two vertical plates, and a pressing plate for pressing the two ends of the brake shoe downwards is sleeved on the screw rod.
Further, the side ejector rod is in threaded connection with the middle section of the outer cambered surface of the lower moon plate and the upper moon plate, and is collinear with one radius of the outer cambered surface.
Further, the end part of the side ejector rod is a cone with a round head.
Further, the upper ejector rod can be a bolt in threaded connection with the lower moon plate.
Further, the clamp includes left clamp and right clamp, left side clamp right side clamp be the central angle and be less than 180's ring, left side clamp right side clamp one end with clamping bottom plate's tail end is articulated to can rotate at the horizontal plane, right side clamp's the other end articulates there is even board, even the other end of board articulates there is the fixture block of taking the handle, the other end of left side clamp is provided with the block of block.
Further, the screw is in threaded connection with a compression nut, a cushion block is arranged between the compression nut and the pressing plate, and the cushion block is provided with a U-shaped groove which is clamped with the screw from the side face.
Further, the pin shaft is provided with a shaft shoulder which is abutted against the hinged end of the brake shoe, and the front end of the clamping bottom plate is provided with an adjusting base plate for placing the other end of the brake shoe.
Further, the middle parts of the left clamp and the right clamp are respectively provided with an adjusting screw along the radial direction.
The beneficial effects of the utility model are as follows: the milling clamp for the side surfaces of the brake shoes comprises a base fixed on a milling machine workbench, wherein a clamping bottom plate is fixed on the base, two vertical plates and two lower moon plates with cambered surfaces facing outwards are symmetrically arranged in the middle of the clamping bottom plate in a left-right mode, upper moon plates coaxial with the lower moon plates are arranged at the tops of the two vertical plates, side ejector rods which are abutted against the inner sides of outer arc plates of the brake shoes are arranged on the outer arcs of the lower moon plates, and at least two upper ejector rods which are abutted against webs of the brake shoes are arranged on the upper surfaces of the lower moon plates; the rear end of the clamping bottom plate is provided with two pin shafts which can be inserted into main pin holes of the brake shoes, and the tail end of the clamping bottom plate is hinged with a clamp which can clamp the brake shoes towards the side ejector rods; a screw rod is arranged between the two vertical plates, and a pressing plate for pressing the two ends of the brake shoe downwards is sleeved on the screw rod. According to the utility model, two brake shoes are simultaneously fixed by cohesion and pressing, and the outer arc plates are positioned at vertical positions, so that the milling machine can conveniently process the side surfaces of the outer arc plates of the two brake shoes at one time, and the processed side surfaces of the outer arc plates are vertical to the cylindrical axis of the milling machine.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of another aspect of the present utility model;
FIG. 3 is a front view of the present utility model;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a left-hand cross-sectional view of fig. 2.
Reference numerals illustrate:
1-base, 2-clamping bottom plate, 3-vertical plate, 4-lower moon plate, 41-upper moon plate, 5-side ejector rod, 6-upper ejector rod, 7-pin, 8-clamp, 81-left clamp, 82-right clamp, 83-connecting plate, 84-clamping block, 85-clamping groove, 86-adjusting screw, 9-screw, 91-pressing plate, 92-cushion block, 93-compression nut and 10-adjusting backing plate.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the utility model.
As shown in fig. 1-5, the brake shoe side milling fixture of the embodiment comprises a base 1 fixed on a milling machine workbench, wherein the base 1 is cylindrical, a clamping bottom plate 2 is fixed at the top of the base 1, two vertical plates 3 and two lower moon plates 4 with cambered surfaces facing outwards are symmetrically arranged in the middle of the clamping bottom plate 2, the two lower moon plates 4 can be formed by outwards extending the clamping bottom plate 1, and the outer cambered surfaces of the two lower moon plates 4 are coaxial with the base 1; the tops of the two vertical plates 2 are respectively provided with an upper moon plate 41 coaxial with the lower moon plate 4, the radius of the outer cambered surface of the upper moon plate 41 can be equal to that of the lower moon plate 4, and the distance between the lower moon plate 4 and the upper moon plate 41 is larger than the width of the rib plate at the inner side of the brake shoe and smaller than the width of the outer cambered plate of the brake shoe.
The outer arcs of the lower moon plate 4 and the upper moon plate 41 are provided with side ejector rods 5 which are abutted against the inner sides of the outer arc plates of the brake shoes, and the upper surface of the lower moon plate 4 is provided with at least two upper ejector rods 6 which are abutted against the webs of the brake shoes; each lower moon plate 4 or each upper moon plate 41 is provided with only one side ejector rod 5, the side ejector rods 5 are perpendicular to the side face of the clamping bottom plate 2, and the end parts of the side ejector rods 5 protrude out of the outer circumference of the base 1 so as to prevent the outer arc plate of the brake shoe from interfering with the base 1 during clamping. The side ejector rod 5 is in threaded connection with the lower moon plate 4 and the upper moon plate 41, and the upper ejector rod 6 is also in threaded connection with the lower moon plate 4, so that the length can be adjusted.
The rear end of the clamping bottom plate 2 is provided with two pin shafts 7 which can be inserted into main pin holes of brake shoes, and the two pin shafts 7 are perpendicular to the upper surface of the clamping bottom plate 2 and symmetrical with respect to the bilateral symmetry plane of the clamping bottom plate 2; the fit clearance between the pin shaft 7 and the main pin hole of the brake shoe is larger, and the brake shoe can rotate around the pin shaft 7 in the horizontal plane.
The tail end of the clamping bottom plate 2 is hinged with a clamp 8 which can clamp the brake shoe to the side ejector rod 5; namely, the outer arc surface of the lower moon plate 4 or the upper moon plate 41, the outer arc plate of the brake shoe and the clamp 8 are sequentially arranged outwards by taking the cylindrical base 1 as the center. And clamp 8 includes left clamp 81 and right clamp 82, left clamp 81 right clamp 82 is the ring that the central angle is less than 180, left clamp 81 right clamp 82's one end with clamping bottom plate 2's tail end is articulated to can rotate in the horizontal plane, right clamp 82's the other end articulates there is link plate 83, link plate 83's the other end articulates there is the fixture block 84 of taking the handle, left clamp 81's the other end is provided with the block slot 85 of block 84. In this way, the left clamp 81 is engaged with the side carrier 5 to hold the brake shoe rotating around the left pin 7, and the right clamp 82 is engaged with the center to hold the brake shoe rotating around the right pin 7.
The cross sections of the left clamp 81 and the right clamp 82 are rectangular, the clamping groove 85 is formed in the upper end face of the free end of the left clamp 81, the connecting plate 83 is a single plate, and the left clamp 81 is provided with a notch for avoiding the connecting plate 83; the clamping groove 85 is in a 'v' shape when seen from the side, so the section of the clamping block 84 matched with the clamping groove is a right triangle, three vertex angles of the clamping block 84 are all rounded, and the connecting plate 83 is hinged with a right angle point of the triangle, so that the clamping groove 85 is clamped by using one acute angle of the triangular clamping block 84, so that a right angle side of the acute angle is abutted with a vertical groove wall of the clamping groove 85, and the left clamping hoop 81 and the right clamping hoop 82 are locked.
The middle of the two vertical plates 3 is provided with a screw rod 9, the screw rod 9 can be overlapped with the axis of the base 1, the screw rod 9 is sleeved with a pressing plate 91, a cushion block 92 and a compression nut 93 are sequentially arranged on the pressing plate 91, the compression nut 93 is screwed down, and two ends of the pressing plate 91 are abutted against two ends of two brake shoes, so that the brake shoes are compressed in the vertical direction.
In order to prevent the brake shoes from interfering with the clamping bottom plate 2 during the rotation of the brake shoes, the bottom end of the pin shaft 7 is provided with a shaft shoulder which abuts against the hinge end of the brake shoes, and correspondingly, the front end of the brake shoes for placing the free ends of the brake shoes is provided with an adjusting base plate 10 with proper height.
According to the utility model, the side ejector rod 5 and the clamp 8 are utilized to hold the brake shoe in a horizontal plane, the pressing plate 91 is utilized to press the brake shoe in a vertical plane, and the two clamping mechanisms are utilized to enable the outer arc plate of the brake shoe to be coaxial with the base 1, because the axis of the base 1 is parallel to the cutter bar of the milling machine, the top side surface of the outer arc plate of the brake shoe after the milling cutter is horizontally cut is vertical to the axis of the outer arc plate.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the present utility model, and the front, rear, left, right, upper, middle, lower, etc. directions adopted for the description of the technical solution are set based on the drawings, not limiting the scope of the present utility model, although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (8)
1. Brake shoe side milling fixture, its characterized in that: the milling machine comprises a base fixed on a milling machine workbench, wherein a clamping bottom plate is fixed on the base, two vertical plates and two lower moon plates with cambered surfaces facing outwards are symmetrically arranged in the middle of the clamping bottom plate in a left-right symmetry manner, upper moon plates coaxial with the lower moon plates are arranged at the tops of the two vertical plates, side ejector rods which are abutted against the inner sides of outer arc plates of brake shoes are arranged on the outer arcs of the lower moon plates, and at least two upper ejector rods which are abutted against webs of the brake shoes are arranged on the upper surface of the lower moon plates; the rear end of the clamping bottom plate is provided with two pin shafts which can be inserted into main pin holes of the brake shoes, and the tail end of the clamping bottom plate is hinged with a clamp which can clamp the brake shoes towards the side ejector rods; a screw rod is arranged between the two vertical plates, and a pressing plate for pressing the two ends of the brake shoe downwards is sleeved on the screw rod.
2. The brake shoe side milling fixture of claim 1, wherein: the side ejector rod is in threaded connection with the middle section of the outer cambered surface of the lower moon plate and the upper moon plate and is collinear with one radius of the outer cambered surface.
3. The brake shoe side milling fixture of claim 1, wherein: the end part of the side ejector rod is a cone with a round head.
4. The brake shoe side milling fixture of claim 1, wherein: the upper ejector rod can be a bolt in threaded connection with the lower moon plate.
5. The brake shoe side milling fixture of claim 1, wherein: the clamp includes left clamp and right clamp, left side clamp right side clamp be the ring that the central angle is less than 180, left side clamp right side clamp one end with clamping bottom plate's tail end is articulated to can rotate at the horizontal plane, right side clamp's the other end articulates there is the link plate, the other end of link plate articulates there is the fixture block of taking the handle, the other end of left side clamp is provided with the block of block.
6. The brake shoe side milling fixture of claim 1, wherein: the screw is in threaded connection with a compression nut, a cushion block is arranged between the compression nut and the pressing plate, and the cushion block is provided with a U-shaped groove which is clamped with the screw from the side face.
7. The brake shoe side milling fixture of claim 1, wherein: the pin shaft is provided with a shaft shoulder which abuts against the hinge end of the brake shoe, and the front end of the clamping bottom plate is provided with an adjusting base plate for placing the other end of the brake shoe.
8. The brake shoe side milling fixture of claim 5, wherein: the middle parts of the left clamp and the right clamp are respectively provided with an adjusting screw along the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223536895.XU CN219484921U (en) | 2022-12-29 | 2022-12-29 | Brake shoe side milling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223536895.XU CN219484921U (en) | 2022-12-29 | 2022-12-29 | Brake shoe side milling clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484921U true CN219484921U (en) | 2023-08-08 |
Family
ID=87475872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223536895.XU Active CN219484921U (en) | 2022-12-29 | 2022-12-29 | Brake shoe side milling clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713678A (en) * | 2023-08-10 | 2023-09-08 | 常州市鹏瑞自动化设备有限公司 | Automatic positioning compensation clamp for automobile brake shoe |
-
2022
- 2022-12-29 CN CN202223536895.XU patent/CN219484921U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713678A (en) * | 2023-08-10 | 2023-09-08 | 常州市鹏瑞自动化设备有限公司 | Automatic positioning compensation clamp for automobile brake shoe |
| CN116713678B (en) * | 2023-08-10 | 2023-10-10 | 常州市鹏瑞自动化设备有限公司 | Automatic positioning compensation clamp for automobile brake shoe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |