Vertical broaching machine
By using telescopic parts and transmission parts to drive the clamp slide on the vertical pull-up bed, combined with telescopic cylinders and motors to drive the sliding plate, the problem of cumbersome and unstable clamping mechanism in the prior art is solved, and automated and stable Workpiece clamping and machining.
Patent Information
- Application Number
- CN202323548080.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The clamping mechanism of the existing vertical pull-up outer pull-up bed is complicated to operate and has poor clamping effect, requires manual operation of the knob, and is easily affected by external forces, resulting in unstable clamping.
A vertical pulling bed is designed, using telescopic parts and transmission parts to drive the clamping member to slide along the circular track for clamping. The clamping is driven by the telescopic cylinder and the motor drive sliding plate to drive the broach to achieve automatic clamping and machining. The holder is combined with the limiting slot and clamp for stability.
It realizes automatic processing with simple operation, time-saving and labor-saving, and good clamping effect. The clamping parts are not easily affected by external forces, ensuring the stable clamping and processing quality of the workpiece.
Smart Images
Figure CN222268863U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of broaching machines, in particular to a vertical broaching machine. Background Art
[0002] A broaching machine is a machine tool that uses a broach as a tool to process through holes, planes and formed surfaces of workpieces. Broaching can achieve higher dimensional accuracy and smaller surface roughness, has high productivity, and is suitable for batch mass production.
[0003] In a Chinese invention with authorization announcement number CN112872470B, a vertical pull-up external broaching machine is disclosed, in which a worker turns a knob to realize a clamping mechanism to clamp or release a workpiece, and the clamping mechanism reduces the influence of external force on the workpiece, so that the center of the hole on the workpiece to be processed and the center line of the broach are not easily offset; although the above patent solves the problem of easy offset of the workpiece hole position during the processing of the workpiece by the broaching machine by using a clamping mechanism, its clamping mechanism needs to be operated by manually turning the knob when in use, which is cumbersome, time-consuming and labor-intensive, and the knob of its clamping mechanism is easily rotated by external force, resulting in the clamping plate not clamping the workpiece firmly enough, thereby affecting the clamping stability of the clamping mechanism on the workpiece. Utility Model Content
[0004] In view of the deficiencies existing in the prior art, the utility model provides a vertical broaching machine, which solves the problems in the prior art that the clamping operation of the broaching machine clamping mechanism is complicated and the clamping effect is poor.
[0005] A vertical broaching machine, comprising:
[0006] A vertical plate, a base is provided on one side of the lower part thereof, and a broaching channel is vertically opened on the base;
[0007] A clamping mechanism is arranged on the upper part of the base, and the clamping mechanism includes a telescopic member fixedly mounted on the upper part of the base, a plurality of clamping members evenly distributed along the circumference of the broaching channel, and a transmission member arranged between the plurality of clamping members, wherein the telescopic end of the telescopic member is connected to one of the clamping members, and the plurality of clamping members are arranged in a circular trajectory and are radially slidably arranged on the base;
[0008] The broach mechanism is arranged on the vertical plate and is located just above the broaching channel.
[0009] Compared with the prior art, the utility model has the following beneficial effects: when in use, the workpiece is placed on the base and facing the broaching channel, and then the telescopic member is started to drive one of the clamping members to slide, and the remaining clamping members are driven to slide synchronously through the transmission member, so that the workpiece is clamped and fixed, and then the broaching mechanism is started to process the workpiece; the operation is simple and convenient, no manual operation is required, time and labor are saved, and the workpiece can be clamped quickly, and several clamping members will not move due to external force, which can ensure a good clamping effect on the workpiece.
[0010] Preferably, a mounting plate is fixedly installed on the upper part of the base, the broaching channel is a through hole that passes through the mounting plate and the base, three limit grooves that are arranged in sequence and spaced apart are fixedly installed on the mounting plate, and the angle between two adjacent limit grooves is 60°, there are three clamping members that correspond one to one with the three limit grooves for sliding engagement, and the telescopic end of the telescopic member is connected to the clamping member located in the middle.
[0011] Preferably, the clamping member located in the middle includes a first sliding rod, and any of the clamping members located at the two ends includes a second sliding rod, the first sliding rod and the two second sliding rods are arranged in sequence and overlap in the vertical direction, the first sliding rod is located between the two second sliding rods, each of the second sliding rods is L-shaped, and the three limit grooves are slidably connected to the first sliding rod and the vertical sections of the two second sliding rods in a one-to-one manner, one end of the first sliding rod and the horizontal sections of the two second sliding rods are fixedly installed on the side walls within their angles, and the three clamping blocks are arranged toward the center of the perforation, the other end of the first sliding rod is fixedly connected to the telescopic end of the telescopic member, and the transmission member is located between the first sliding rod and the two second sliding rods.
[0012] Preferably, the transmission member includes two gears rotatably mounted on the mounting plate and four racks correspondingly arranged on the opposite side walls of the first sliding rod and the two second sliding rods. The two gears are correspondingly located between the first sliding rod and the two second sliding rods and mesh with the corresponding racks thereon.
[0013] Preferably, the telescopic member comprises a telescopic cylinder fixedly mounted on the mounting plate, and the telescopic end of the telescopic cylinder is coaxially fixedly connected to the first sliding rod.
[0014] Preferably, the clamp block is an L-shaped structure, the angle of the clamp block on the upper second sliding rod is arranged upward, the angle of the clamp block on the lower second sliding rod is arranged downward, and the horizontal sections of the clamp blocks of the two second sliding rods are located on the same horizontal plane as the clamp blocks of the first sliding rod.
[0015] Preferably, a top plate is fixedly mounted on the upper end of the vertical plate, and the broaching mechanism includes a motor fixedly mounted on the upper end of the top plate, a screw rod rotatably mounted between the top plate and the base, a sliding plate slidably connected to the vertical plate in a vertical direction, a mounting sleeve fixedly mounted on the bottom of the sliding plate, and a broach detachably connected to the mounting sleeve via a fixing pin, and the sliding plate is threadably connected to the screw rod.
[0016] Preferably, a mounting groove and two sliding grooves are vertically opened on the upper side wall of the vertical plate, and the two sliding grooves are respectively arranged on both sides of the mounting groove, each sliding groove is stepped, and the groove width of the sliding groove is smaller than the groove bottom width, the screw is located in the mounting groove, and a connecting plate and two clamping blocks are fixedly installed on one side of the sliding plate, and a threaded hole is opened on the connecting plate, and the screw freely passes through the threaded hole and is threadedly connected thereto, and the two clamping blocks correspond to each other one by one and are slidably clamped with the two sliding grooves.
[0017] Preferably, the base includes a support plate and a bottom plate fixedly installed in sequence on one side of the vertical plate along the vertical direction, and two brackets fixedly installed in parallel between the support plate and the bottom plate. The bottom plate is located at the bottom of the vertical plate, the support plate is located in the middle of the vertical plate, the mounting plate is fixedly installed on the support plate, and the through hole is opened on the mounting plate and the support plate.
[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view of an embodiment of the utility model.
[0020] Figure 2 for Figure 1 Cross-sectional view along the AA direction.
[0021] Figure 3 for Figure 1 Top view of the sliding plate.
[0022] The numbers in the figure are: 1. vertical plate; 11. bottom plate; 12. top plate; 13. support plate; 14. bracket; 15. slide groove; 16. mounting groove; 2. sliding plate; 21. connecting plate; 22. threaded hole; 23. clamping block; 3. mounting sleeve; 31. fixing pin; 4. motor; 41. screw; 5. broach; 6. mounting plate; 61. limiting groove; 62. gear; 63. perforation; 7. telescopic cylinder; 71. baffle; 72. first sliding rod; 8. second sliding rod; 81. rack; 82. clamping block. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods:
[0024] like Figure 1-2 As shown, an embodiment of the utility model provides a vertical broaching machine, comprising: a vertical plate 1, a base is provided on one side of the lower part of which, a broaching channel is vertically opened on the base; a clamping mechanism, which is arranged on the upper part of the base, and the clamping mechanism includes a telescopic member fixedly installed on the upper part of the base, a plurality of clamping members uniformly distributed along the circumference of the broaching channel, and a transmission member arranged between the plurality of clamping members, the telescopic end of the telescopic member is connected to one of the clamping members, and the plurality of clamping members are arranged in a circular trajectory and radially slidably arranged on the base; a broaching mechanism, which is arranged on the vertical plate 1 and is located directly above the broaching channel.
[0025] Place the workpiece on the base, facing the broaching channel, then start the telescopic member to drive one of the clamping members to slide, and drive the other clamping members to slide synchronously through the transmission member, so as to clamp and fix the workpiece, and then start the broaching mechanism to process the workpiece; the operation is simple and convenient, no manual operation is required, time and labor are saved, and the workpiece can be clamped quickly, and several clamping members will not move due to external force, which can ensure a good clamping effect on the workpiece.
[0026] like Figure 2 According to another embodiment of the utility model, the vertical broaching machine, preferably, a mounting plate 6 is fixedly installed on the upper part of the base, the broaching channel is a through hole 63 that is provided through the mounting plate 6 and the base, three limiting grooves 61 that are arranged in sequence and spaced apart are fixedly installed on the mounting plate 6, and the angle between two adjacent limiting grooves 61 is 60°, the clamping members are three and one-to-one corresponding to the three limiting grooves 61 for sliding engagement, the telescopic end of the telescopic member is connected to the clamping member located in the middle; the limiting groove 61 can ensure the sliding stability of the clamping member.
[0027] like Figure 2According to another embodiment of the utility model, the vertical broaching machine further optimizes the clamping parts, transmission parts and telescopic parts included therein, the clamping part located in the middle includes a first sliding rod 72, and any of the clamping parts located at both ends includes a second sliding rod 8, the first sliding rod 72 and the two second sliding rods 8 are arranged in sequence and overlapped in the vertical direction, the first sliding rod 72 is located between the two second sliding rods 8, each of the second sliding rods 8 is L-shaped, and the three limiting grooves 61 are slidably connected to the first sliding rod 72 and the vertical sections of the two second sliding rods 8 in a one-to-one correspondence, and a clamping block 82 is fixedly installed on the side wall within the angle thereof at one end of the first sliding rod 72 and the horizontal sections of the two second sliding rods 8, and the three clamping blocks 82 are arranged toward the center of the through hole 63, and the other end of the first sliding rod 72 The end is fixedly connected to the telescopic end of the telescopic member, and the transmission member is located between the first sliding rod 72 and the two second sliding rods 8; and preferably, the clamping block 82 is an L-shaped structure, the angle of the clamping block 82 on the upper second sliding rod 8 is arranged upward, and the angle of the clamping block 82 on the lower second sliding rod 8 is arranged downward, and the horizontal sections of the clamping blocks 82 of the two second sliding rods 8 are located on the same horizontal plane as the clamping blocks 82 of the first sliding rod 72; so that in the process of clamping the workpiece, the three clamping blocks 82 can apply clamping force to the workpiece on the same horizontal plane to ensure the stability of the workpiece clamping; and each limiting groove 61 is a dovetail groove, and the first sliding rod 72 and the lower part of the second sliding rod 8 are wedge-shaped structures, which can ensure the stability of the sliding of the first sliding rod 72 and the second sliding rod 8 with the corresponding limiting grooves 61.
[0028] The transmission member includes two gears 62 rotatably mounted on the mounting plate 6 and four racks 81 correspondingly arranged on the opposite side walls of the first sliding rod 72 and the two second sliding rods 8. The two gears 62 are correspondingly located between the first sliding rod 72 and the two second sliding rods 8 and mesh with the corresponding racks 81 thereon. The first sliding rod 72 is driven to slide by the telescopic member, so that the two racks 81 on the first sliding rod 72 drive the two gears 62 to rotate, thereby driving the two second sliding rods 8 to slide, so as to drive the three clamping blocks 82 to clamp the workpiece.
[0029] The telescopic member includes a telescopic cylinder 7 fixedly mounted on a mounting plate 6, the telescopic end of the telescopic cylinder 7 being coaxially fixedly connected to a first sliding rod 72; the telescopic cylinder 7 is driven by an external air source; and preferably, a baffle 71 is vertically fixedly mounted on the mounting plate 6, the baffle 71 being located on one side of the telescopic end of the telescopic cylinder 7, and the telescopic end of the telescopic cylinder 7 freely passes through the baffle 71; the baffle 71 can effectively prevent the first sliding rod 72 from colliding with the telescopic cylinder 7.
[0030] like Figure 1 as well as Figure 3As shown, according to another embodiment of the utility model, the vertical broaching machine further optimizes the broaching mechanism it includes, a top plate 12 is fixedly installed on the upper end of the vertical plate 1, and the broaching mechanism includes a motor 4 fixedly installed on the upper part of the top plate 12, a screw 41 rotatably installed between the top plate 12 and the base, a sliding plate 2 slidably connected to the vertical plate 1 in the vertical direction, a mounting sleeve 3 fixedly installed at the bottom of the sliding plate 2, and a broach 5 detachably connected to the mounting sleeve 3 through a fixing pin 31, the sliding plate 2 is threadedly connected to the screw 41; the motor 4 drives the screw 41 to rotate, drives the sliding plate 2 to move in the vertical direction, and thus drives the broach 5 to perform broaching on the workpiece; wherein the motor 4 is a forward and reverse motor 4, and the broach 5 can be replaced by plugging and pulling out the fixing pin 31, and the structure and use principle of the fixing pin 31 are prior art and are not described in detail here.
[0031] And preferably, a mounting groove 16 and two slide grooves 15 are vertically opened on the upper side wall of the vertical plate 1, and the two slide grooves 15 are respectively arranged on both sides of the mounting groove 16, and each slide groove 15 is a stepped type, and the slot width of the slide groove 15 is smaller than the slot bottom width, and the screw rod 41 is located in the mounting groove 16, and a connecting plate 21 and two clamping blocks 23 are fixedly installed on one side of the sliding plate 2, and a threaded hole 22 is opened on the connecting plate 21, and the screw rod 41 freely passes through the threaded hole 22 and is threadedly connected thereto, and the two clamping blocks 23 correspond to each other one by one and are slidably clamped with the two slide grooves 15; the sliding stability of the sliding plate 2 can be better guaranteed.
[0032] like Figure 1-2 As shown, according to another embodiment of the utility model, the vertical broaching machine further optimizes the base it includes, and the base includes a support plate 13 and a bottom plate 11 fixedly installed in sequence on one side of the vertical plate 1 in the vertical direction, and two brackets 14 fixedly installed in parallel between the support plate 13 and the bottom plate 11, the bottom plate 11 is located at the bottom of the vertical plate 1, the support plate 13 is located in the middle of the vertical plate 1, the mounting plate 6 is fixedly installed on the support plate 13, and the through hole 63 is opened on the mounting plate 6 and the support plate 13; the debris generated by the broach 5 when broaching the workpiece falls between the two brackets 14 and the bottom plate 11 for easy collection.
[0033] The use principle of the utility model is as follows: when the utility model is used, the workpiece is placed on the support plate 13 and arranged opposite the through hole 63, and then the telescopic cylinder 7 is started to drive the first sliding rod 72 to slide, so that the rack 81 on the first sliding rod 72 drives the two gears 62 to rotate, thereby driving the two second sliding rods 8 to slide, so as to drive the three clamping blocks 82 to clamp and fix the workpiece, and then the telescopic cylinder 7 is stopped, and the motor 4 is started at the same time to drive the screw 41 to rotate, so as to drive the sliding plate 2 to move in the vertical direction, thereby driving the broach 5 to broach the workpiece, and the debris generated by the broach 5 when broaching the workpiece falls between the two brackets 14 and the bottom plate 11 for collection. After the broaching is completed, the motor 4 is started to drive the screw 41 to rotate in the opposite direction to raise the cutter, and then the telescopic cylinder 7 is started again to drive the first sliding rod 72 to slide in the opposite direction, so that the three clamping blocks 82 are separated from the clamping of the workpiece, and then the workpiece is replaced and processed again in the above manner.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A vertical broaching machine, characterized in that: include: A vertical plate (1) is provided with a base on one side of its lower part, and a broaching channel is vertically opened on the base; A clamping mechanism is arranged on the upper part of the base, and the clamping mechanism includes a telescopic member fixedly mounted on the upper part of the base, a plurality of clamping members evenly distributed along the circumference of the broaching channel, and a transmission member arranged between the plurality of clamping members, wherein the telescopic end of the telescopic member is connected to one of the clamping members, and the plurality of clamping members are arranged in a circular trajectory and are radially slidably arranged on the base; The broaching mechanism is arranged on the vertical plate (1) and is located directly above the broaching channel.
2. A vertical broaching machine according to claim 1, characterized in that: A mounting plate (6) is fixedly mounted on the upper part of the base, the broaching channel is a through hole (63) that is provided through the mounting plate (6) and the base, three limiting grooves (61) are fixedly mounted on the mounting plate (6) and are arranged in sequence and at intervals, and the angle between two adjacent limiting grooves (61) is 60°, the clamping members are three and are slidably engaged with the three limiting grooves (61) in a one-to-one correspondence, and the telescopic end of the telescopic member is connected to the clamping member located in the middle.
3. A vertical broaching machine according to claim 2, characterized in that: The clamping member located in the middle includes a first sliding rod (72), and any of the clamping members located at the two ends includes a second sliding rod (8). The first sliding rod (72) and the two second sliding rods (8) are arranged in an overlapping manner in the vertical direction. The first sliding rod (72) is located between the two second sliding rods (8). Each of the second sliding rods (8) is L-shaped. The three limiting grooves (61) are slidably connected to the vertical sections of the first sliding rod (72) and the two second sliding rods (8) in a one-to-one correspondence. A clamping block (82) is fixedly installed on the side wall of one end of the first sliding rod (72) and the horizontal sections of the two second sliding rods (8) located within the angle thereof. The three clamping blocks (82) are arranged toward the center of the through hole (63). The other end of the first sliding rod (72) is fixedly connected to the telescopic end of the telescopic member. The transmission member is located between the first sliding rod (72) and the two second sliding rods (8).
4. A vertical broaching machine according to claim 3, characterized in that: The transmission member comprises two gears (62) rotatably mounted on the mounting plate (6) and four racks (81) arranged one by one on the opposite side walls of the first sliding rod (72) and the two second sliding rods (8); the two gears (62) are located one by one between the first sliding rod (72) and the two second sliding rods (8) and mesh with the corresponding racks (81) thereon.
5. A vertical broaching machine according to claim 3, characterized in that: The telescopic member comprises a telescopic cylinder (7) fixedly mounted on a mounting plate (6), and the telescopic end of the telescopic cylinder (7) is coaxially fixedly connected to a first sliding rod (72).
6. A vertical broaching machine according to claim 3, characterized in that: The clamping block (82) is of an L-shaped structure. The included angle of the clamping block (82) on the second sliding rod (8) located at the top is arranged upward, and the included angle of the clamping block (82) on the second sliding rod (8) located at the bottom is arranged downward. The horizontal sections of the clamping blocks (82) of the two second sliding rods (8) are located on the same horizontal plane as the clamping block (82) of the first sliding rod (72).
7. A vertical broaching machine according to claim 2, characterized in that: A top plate (12) is fixedly mounted on the upper end of the vertical plate (1), and the broaching mechanism comprises a motor (4) fixedly mounted on the upper part of the top plate (12), a screw (41) rotatably mounted between the top plate (12) and the base, a sliding plate (2) slidably connected to the vertical plate (1) in a vertical direction, a mounting sleeve (3) fixedly mounted on the bottom of the sliding plate (2), and a broach (5) detachably connected to the mounting sleeve (3) via a fixing pin (31), and the sliding plate (2) is threadably connected to the screw (41).
8. A vertical broaching machine according to claim 7, characterized in that: The upper side wall of the vertical plate (1) is vertically provided with a mounting groove (16) and two slide grooves (15), the two slide grooves (15) are respectively arranged on both sides of the mounting groove (16), each slide groove (15) is a stepped type, the slot width of the slide groove (15) is smaller than the slot bottom width, the screw rod (41) is located in the mounting groove (16), a connecting plate (21) and two clamping blocks (23) are fixedly installed on one side of the sliding plate (2), a threaded hole (22) is provided on the connecting plate (21), the screw rod (41) freely passes through the threaded hole (22) and is threadedly connected thereto, and the two clamping blocks (23) are slidably clamped in one-to-one correspondence with the two slide grooves (15).
9. A vertical broaching machine according to claim 2, characterized in that: The base comprises a support plate (13) and a bottom plate (11) which are fixedly mounted on one side of the vertical plate (1) in sequence along the vertical direction, and two brackets (14) which are fixedly mounted in parallel between the support plate (13) and the bottom plate (11); the bottom plate (11) is located at the bottom of the vertical plate (1); the support plate (13) is located in the middle of the vertical plate (1); the mounting plate (6) is fixedly mounted on the support plate (13); and the through hole (63) is provided through the mounting plate (6) and the support plate (13).